4. CONTENT OBJECTIVE
•STUDENTS WILL BE ABLE TO
Illustrate motion with examples.
Define speed. Solve problems. ·
State the difference between average and instantaneous speed.
Solve problems. ·
Understand the difference between speed and velocity.
Define a vector. Work simple problems solving for the resultant
vector. ·
Define acceleration and determine how to use it to solve for final
velocity as well as distance traveled. ·
Describe the condition of free fall and work problems. ·
Interpret graphs of distance traveled versus time and velocity
versus time for straight line motion.
5. DEAR STUDENT, READ THE WRITTEN DOCUMENT
CAREFULLY ; TO UNVEIL THE SECRET ANSWERS TO
QUESTIONS LYING WITHIN….
click here
01 02 03
04 05
6. Q.1: Motion can be described as
a) One objects distance from another is changing
b) One objects distance from another is the same
c) One object is moving and you can see it move
d) One objects reference point is changing
7. Q.2 An objects continues to be in rest untill it is acted upon by a ___________.
a) Surrounding
b) Speed
c) Motion
d) force
8. Q.3: The initial velocity of a body starting from rest is _____________.
a) 1 m/s
b) -1 m/s
c) 2 m/s
d) Zero
9. Q.4: A man travels a distance of 20 km from his home to office, and 10 km towards
his house back. Then the displacement covered by the man in the whole trip is
a. 30 km
b. zero km
c. 10 km
d. 50 km
10. Q.5:Give the equation of motion connecting u, v, a and s where the symbols
have their usual meaning
1. v = u + at
2.
3. v2
- u2
= 2aS
4.
17. DEAR STUDENT, WATCH THE FOLLOWING VIDEO CAREFULLY ;
TO UNVEIL THE SECRET ANSWERS TO QUESTIONS LYING
WITHIN….
CLICK HERE
01 02 03
04 05
18. Q.1: If an object moving along a straight line, keeps changing its speed then,
a) The motion is said to be an uniform motion
b) The motion is said to be e non-uniform motion
c) The object is said to be stationary
d) The motion is said to be a fast motion
19. Q. 2: If a body is said to have uniform motion then the speed of the object
remains
a) Zero
b) Constant
c) Positive
d) Negative
20. Q.3: Motion of a free falling body is
a) Uniform
b) Non-uniform
c) Stationary
d) Both (a) and (b)
21. Q.4: An aeroplane flying at a speed of 800km/h is an example of
a) Uniform
b) Non-uniform
c) Stationary
d) Both (a) and (b)
22. Q.5: Which example illustrates uniform motion?
a) A ball rolls down a ramp.
b) A car slows down at a stop light.
c) A pendulum swings 5 times.
d) A puck slides along the ice.
29. DEAR STUDENT, READ THE WRITTEN DOCUMENT
CAREFULLY ; TO UNVEIL THE SECRET ANSWERS TO
QUESTIONS LYING WITHIN….
Click Here
01 02 03
04 05
30. Q.1: The distance (s) in metres travelled by a particle is related to
time (t) in seconds by the equation of motion -S = 10t + 4t2. What is
the initial velocity of the body?
a) 10 m/s
b) 6 m/s
c) 4 m/s
d) 10 m/s2
31. Q.2: When a speed of 90km/h is expreesed in m/s
a) 2.5
b) 25
c) 250
d) 90000
32. Q.3: An object moving with a speed of 5 m/s comes to rest in 10 s, after the
brakes are applied. What is the initial velocity?
a) zero
b) 5 m/s
c) 15 m/s
d) 50 m/s
33. Q.4: When an object is moving with uniform velocity, what is its
acceleration?
a) Zero
b) Uniform
c) non-uniform
d) Negative
34. Q.5: Acceleration is a vector quantity, which indicates that its value a.
a) Can be positive, negative or zero
b) Is always positive
c) Is always negative
d) Is zero
41. DEAR STUDENT, WATCH THE FOLLOWING VIDEO
CAREFULLY ; TO UNVEIL THE SECRET ANSWERS TO
QUESTIONS LYING WITHIN….
CLICK
HERE
01 02 03
04 05
42. Q.1: When a graph of one quantity versus another results in a straight
line, the quantities are .
a) directly proportional
b) Constant
c) inversely proportional
d) independent of each other
43. Q.2: What does the following S-t graph indicate?
a) uniform speed
b) body is at rest
c) non-uniform speed
d) variable speed
44. Q.3: Name the physical quantity which we get from a S-t graph.
a) Speed
b) Displacement
c) Distance
d) Time
45. Q.4: The speed-time graph for a particle moving at constant speed is
a straight-line ________ to the time axis.
a) parallel
b) perpendicular
c) aligned
d) inclined
46. Q.5: Identify the v- t graph representing uniform velocity.
(a) (b)
(c) (d)
