Chapter 11 force & pressure (QUIZ)

8/25/2020 FORCE AND PRESSURE
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FORCE AND PRESSURE
Total mark - 60 points
Each question carry 1 mark
Time - 60 min
1. All pushes and pulls are forces. True or false? (1 point)
◯ True
◯ False
2. The force resulting due to the action of muscles is known” as the
_______
(1 point)
3. Two forces A and B act on an object in opposite. A is bigger than B.
The net force on the object is
(1 point)
◯ Choice 2
◯ Choice 3
◯ Choice 4
4. Which type of force is exerted by an electrostatic charge? (1 point)
5. A force with magnitude A and another with magnitude B act on an
object in the same direction. What is the net force acting on the
object?
(1 point)
6. A force of 10 N acts on an area of 0.1 m^2. The force is kept the
same but the area is reduced to half. Which of the following is true?
(1 point)

◯ The pressure does not change.
◯ The pressure reduces to half.
◯ The pressure increases by 1.5 times.
◯ The pressure doubles.
7. The air pressure on our body is equal to __________ pressure (1 point)
◯ Atmospheric
◯ sea bottom
◯ space
◯ Surrounding
8. Name the type of force in the following cases. (5 points)
____ Raindrops falling on the earth. 1. Force of gravity.
____ Holding a book on your hand. 2. Force of gravitation
(weight).
____ Running a comb through your dry
hair.
3. Magnetic force.
____ A bar magnet suspended freely. 4. Electrostatic force.
____ Bullocks ploughing the field. 5. Muscular force.
9. Only the earth exerts gravitational force on all objects. True or false? (1 point)
◯ True
◯ False
10. A charged body ______ an uncharged body towards it. (1 point)
11. Is it essential for the agent applying a force on an object to be in
contact ?
(1 point)

12. To move a loaded trolley we have to ______ it. (1 point)
13. The SI unit of pressure is_______ (1 point)
◯ N/m^3
◯ N/m^2
◯ kg/m^2
◯ pa/m^2
14. What happens to the atmospheric pressure if, the humidity in air
increases.
(1 point)
◯ decreases
◯ increases
15. What happens to the atmospheric pressure if, metro logical office;
predicts fair weather
(1 point)
◯ increases
◯ decreases
16. In liquids, the pressure (1 point)
◯ increases with depth
◯ decreases with depth
◯ remains same at all depths
◯ sometimes increases sometimes decreases
17. A batsman hits a cricket ball which then rolls on the level ground.
After covering a short
distance the ball comes to rest. The ball stops due to
(1 point)
◯ magnetic force

◯ frictional force
◯ gravitational force
◯ muscular force
18. What happens to the atmospheric pressure if, there is a storm. . (1 point)
◯ decreases
◯ increases
19. Which of the following is an example of contact force ? (1 point)
◯ Magnetic force
◯ Muscular force
◯ Electric force
◯ Gravitational force
20. To draw water from a well we have to ______ at the rope. (1 point)
21. When we press the bulb of a dropper with its nozzle kept in water,
air in the dropper seems to escape in the form of bubbles. Once we
release the pressure on the bulb, water gets filled in the dropper.
The rise of water in the dropper is due to
pressure of water
gravity of the earth.
shape of rubber bulb.
atmospheric pressure.
(1 point)
22. Question (1 point)
23. Name the force due to which planets revolve around the sun. (1 point)

24. An archer stretches her bow while taking aim at the target. She then
releases the arrow, which begins to move towards the target To
stretch the bow, the archer applies a force that causes a change in
its ______
(1 point)
◯ muscular
◯ contact
◯ non-contact
◯ gravity
◯ friction
◯ shape
25. The larger the area over which a force acts, the __________ is the
pressure.
(1 point)
releases the arrow, which begins to move towards the target. While
the arrow moves towards its target, the forces acting on it are due
to _______ and that due to _____ of air.
(1 point)
☐ muscular
☐ contact
☐ non-contact
☐ gravity
☐ friction
☐ shape
☐ attraction
releases the arrow, which begins to move towards the target. The
(1 point)

type of force responsible for a change in the state of motion of the
arrow is an example of a ______ force.
◯ muscular
◯ contact
◯ non-contact
◯ friction
28. Which force is responsible for the weight of objects ? (1 point)
29. The unit of measuring pressure is (1 point)
◯ newton
◯ newton/metre
◯ metre^2
◯ metre^2/newton
30. Every square centimetre of your body experiences a force equal to
the weight of 1 kg due to the atmospheric pressure. True or false?
(1 point)
◯ True
◯ False
31. Does a force acting on a body always cause a change in its state of
motion?
(1 point)
32. Which of these can a force acting on an object not change? (1 point)
◯ direction of motion
◯ State of rest
◯ shape
◯ mass

33. What happens to the atmospheric pressure if, the temperature is
high.
(1 point)
◯ decreases
◯ increases
34. An inflated balloon was pressed against a wall after it has been
rubbed with a piece of synthetic cloth. It was found that the balloon
sticks to the wall. What force might be responsible for the
attraction between the balloon and the wall ?
(1 point)
35. Make a match (5 points)
____ Fluid 1. Specific gravity
____ Blunt knife 2. Atmospheric pressure
____ sharp needle 3. Higher pressure
____ Relative density 4. Same pressure in all directions
____ Hecto pascal 5. Lower pressure
36. Does the force of gravitation exist between two objects on the earth
?
(1 point)
37. If a force acts on a body it will move in the direction in which the
force acts. Ture or false?
(1 point)
◯ True
◯ False
38. Fruits falling from trees is an example of (1 point)
◯ muscular force

◯ electric force
39. Atmospheric pressure increases with height. True or false? (1 point)
◯ True
◯ False
force applied by the archer to stretch the bow is an example of
______ force.
(1 point)
◯ muscular
◯ contact
◯ non-contact
◯ friction
41. Does the force of friction also act on the objects moving in the air ? (1 point)
42. Nails have pointed ends. This results in (1 point)
◯ a decrease in the force exerted on them.
◯ a decrease in the effect of the force exerted on them.
◯ an increase in the force exerted on them.
◯ an increase in the effect of the force exerted on them.
43. When two forces applied on an object are equal and opposite, then
these forces
(1 point)
◯ may move the object.
◯ may stop the object.
◯ may move the object and also cause a change in its shape.

◯ Choice 4
attraction between the balloon and the wall?
(1 point)
45. The SI unit of force is_________ (1 point)
◯ Dyne
◯ Newton
◯ Joule
◯ Meter
46. If a body is moving with uniform speed in a particular direction on
a perfectly smooth surface, then no force is acting on it. True or
false?
(1 point)
◯ True
◯ False
47. When two unbalanced forces act on a body, in opposite directions,
the net force is equal to
(1 point)
◯ the sum of the individual unbalanced forces.
◯ zero.
◯ difference between the two unbalanced forces and is in the direction of the
larger force.
◯ difference between the two unbalanced forces and is in the direction of
smaller force.
48. What happens to the atmospheric pressure if, the weather is dry. (1 point)
◯ decreases
increases

◯
49. For a given object, the buoyant force in liquids of different
________ is__________
(1 point)
☐ the same
☐ density
☐ different
☐ area
50. During dry weather, rubbing a plastic scale with dry hair, attracts
small pieces of paper. This is due to
(1 point)
◯ electrostatic force
◯ muscular force

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FORCE AND PRESSURE
Total mark - 60 points
Each question carry 1 mark
Time - 60 min
1. All pushes and pulls are forces. True or false? (1 point)
⚫ True
◯ False
2. The force resulting due to the action of muscles is known” as the
_______
(1 point)
muscular force.
3. Two forces A and B act on an object in opposite. A is bigger than B.
The net force on the object is
(1 point)
◯ Choice 2
⚫ Choice 3
◯ Choice 4
4. Which type of force is exerted by an electrostatic charge? (1 point)
Electrostatic force is exerted by an object with electrostatic or static charge.
5. A force with magnitude A and another with magnitude B act on an
object in the same direction. What is the net force acting on the
object?
(1 point)
The net force acting on the object is A + B. If two forces are applied on an
object in the same direction, then the net force acting on the object is a single
force whose magnitude is the sum of the two forces.

6. A force of 10 N acts on an area of 0.1 m^2. The force is kept the
same but the area is reduced to half. Which of the following is true?
(1 point)
◯ The pressure does not change.
◯ The pressure reduces to half.
◯ The pressure increases by 1.5 times.
⚫ The pressure doubles.
7. The air pressure on our body is equal to __________ pressure (1 point)
⚫ Atmospheric
◯ sea bottom
◯ space
◯ Surrounding
8. Name the type of force in the following cases. (5 points)
1 Raindrops falling on the earth. 1. Force of gravity.
2 Holding a book on your hand. 2. Force of gravitation
(weight).
4 Running a comb through your dry
hair.
3. Magnetic force.
3 A bar magnet suspended freely. 4. Electrostatic force.
5 Bullocks ploughing the field. 5. Muscular force.
9. Only the earth exerts gravitational force on all objects. True or false? (1 point)
◯ True
⚫ False
10. A charged body ______ an uncharged body towards it. (1 point)

attracts
11. Is it essential for the agent applying a force on an object to be in
contact ?
(1 point)
No, the force can also act from a distance. It is known as non-contact force.
12. To move a loaded trolley we have to ______ it. (1 point)
push
13. The SI unit of pressure is_______ (1 point)
◯ N/m^3
⚫ N/m^2
◯ kg/m^2
◯ pa/m^2
14. What happens to the atmospheric pressure if, the humidity in air
increases.
(1 point)
⚫ decreases
◯ increases
15. What happens to the atmospheric pressure if, metro logical office;
predicts fair weather
(1 point)
⚫ increases
◯ decreases
16. In liquids, the pressure (1 point)
⚫ increases with depth
◯ decreases with depth
◯ remains same at all depths
◯ sometimes increases sometimes decreases

17. A batsman hits a cricket ball which then rolls on the level ground.
After covering a short
distance the ball comes to rest. The ball stops due to
(1 point)
◯ magnetic force
⚫ frictional force
◯ muscular force
18. What happens to the atmospheric pressure if, there is a storm. . (1 point)
⚫ decreases
◯ increases
19. Which of the following is an example of contact force ? (1 point)
◯ Magnetic force
⚫ Muscular force
◯ Electric force
◯ Gravitational force
20. To draw water from a well we have to ______ at the rope. (1 point)
pull
21. When we press the bulb of a dropper with its nozzle kept in water,
air in the dropper seems to escape in the form of bubbles. Once we
release the pressure on the bulb, water gets filled in the dropper.
The rise of water in the dropper is due to
pressure of water
gravity of the earth.
shape of rubber bulb.
atmospheric pressure.
(1 point)
Correct answer text

22. Question (1 point)
Correct answer text
23. Name the force due to which planets revolve around the sun. (1 point)
Gravitational force.
releases the arrow, which begins to move towards the target To
stretch the bow, the archer applies a force that causes a change in
its ______
(1 point)
◯ muscular
◯ contact
◯ non-contact
◯ gravity
◯ friction
⚫ shape
25. The larger the area over which a force acts, the __________ is the
pressure.
(1 point)
lesser
releases the arrow, which begins to move towards the target. While
the arrow moves towards its target, the forces acting on it are due
to _______ and that due to _____ of air.
(1 point)
☐ muscular
☐ contact
☑ non-contact
☑ gravity
☑ friction
☐ shape

☐ attraction
type of force responsible for a change in the state of motion of the
arrow is an example of a ______ force.
(1 point)
◯ muscular
⚫ contact
◯ non-contact
◯ friction
28. Which force is responsible for the weight of objects ? (1 point)
force of gravity
29. The unit of measuring pressure is (1 point)
◯ newton
⚫ newton/metre
◯ metre^2
◯ metre^2/newton
30. Every square centimetre of your body experiences a force equal to
the weight of 1 kg due to the atmospheric pressure. True or false?
(1 point)
⚫ True
◯ False
31. Does a force acting on a body always cause a change in its state of
motion?
(1 point)
NO
32. Which of these can a force acting on an object not change? (1 point)
◯ direction of motion

◯ State of rest
◯ shape
⚫ mass
33. What happens to the atmospheric pressure if, the temperature is
high.
(1 point)
⚫ decreases
◯ increases
attraction between the balloon and the wall ?
(1 point)
Electrostatic force.
35. Make a match (5 points)
4 Fluid 1. Specific gravity
5 Blunt knife 2. Atmospheric pressure
3 sharp needle 3. Higher pressure
1 Relative density 4. Same pressure in all directions
2 Hecto pascal 5. Lower pressure
36. Does the force of gravitation exist between two objects on the earth
?
(1 point)
Yes
37. If a force acts on a body it will move in the direction in which the
force acts. Ture or false?
(1 point)
◯ True
⚫ False
38. Fruits falling from trees is an example of (1 point)

⚫ gravitational force
◯ muscular force
◯ electric force
39. Atmospheric pressure increases with height. True or false? (1 point)
◯ True
⚫ False
force applied by the archer to stretch the bow is an example of
______ force.
(1 point)
⚫ muscular
◯ contact
◯ non-contact
◯ friction
41. Does the force of friction also act on the objects moving in the air ? (1 point)
Yes, air also offers friction to objects moving in air.
42. Nails have pointed ends. This results in (1 point)
◯ a decrease in the force exerted on them.
◯ a decrease in the effect of the force exerted on them.
⚫ an increase in the force exerted on them.
◯ an increase in the effect of the force exerted on them.
43. When two forces applied on an object are equal and opposite, then
these forces
(1 point)

◯ may move the object.
◯ may stop the object.
⚫ may move the object and also cause a change in its shape.
◯ Choice 4
attraction between the balloon and the wall?
(1 point)
Electrostatic force.
45. The SI unit of force is_________ (1 point)
◯ Dyne
⚫ Newton
◯ Joule
◯ Meter
46. If a body is moving with uniform speed in a particular direction on
a perfectly smooth surface, then no force is acting on it. True or
false?
(1 point)
◯ True
⚫ False
47. When two unbalanced forces act on a body, in opposite directions,
the net force is equal to
(1 point)
◯ the sum of the individual unbalanced forces.
◯ zero.
⚫ difference between the two unbalanced forces and is in the direction of
the larger force.
◯ difference between the two unbalanced forces and is in the direction of
smaller force.

48. What happens to the atmospheric pressure if, the weather is dry. (1 point)
◯ decreases
⚫ increases
49. For a given object, the buoyant force in liquids of different
________ is__________
(1 point)
☐ the same
☑ density
☑ different
☐ area
50. During dry weather, rubbing a plastic scale with dry hair, attracts
small pieces of paper. This is due to
(1 point)
⚫ electrostatic force
◯ muscular force

Chapter 11 force & pressure (QUIZ)

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