review

1. 1. What are the forces acting on a hanging pen?
A. Force of Gravity and Tension force C. Tension force and Normal force
B. Normal force and Force of gravity D. Force of Gravity only
2. Look at the boys playing tug of war. Assuming that each of the
boys can exert a 50N force, who will win the game?
A. only one boy C. no one won the game
B. the two boys D. cannot be determined
3.What is the net force of an object below?
10 N 10 N
A. 0 B. 10 N C. 20 N D. 30 N

2. 4. The push or pull applied to an object is called
____________.
A.Acceleration B. Force C. Inertia D. Motion
5. Which of the following refers to the size or
strength of the force?
A. Direction C. Magnitude
B. Line of action D. Point of application
6. A vase on top of a shelf has force/s of
___________.
A. Gravity & Applied B. Normal and Gravity
C. Tension and Gravity D. Tension and Normal

3. 7. This law states that a body or object will remain at rest or
motion at constant velocity unless acted upon by net or
unbalanced forces.
A. Law of acceleration C. Law of inertia
B. Law of deceleration D. Law of interaction
8. According to Newton’s third law of motion, when a rock
strikes and exerts force on a nail, the nail ___________.
A. creates a tension with the rock C. will disappear
B. exerts an equal force back on the rock D. will be transferred
to another wood
9. Suppose a 1kg ball is hit with a force of 15 N. What is the
acceleration of the ball? a=F/m
A. 1 m/s2 B. 7.5 m/s2 C. 15 m/s2 D. 30 m/s2

4. 10. Are the forces acting on the object in question 7 balanced or
unbalanced? Why?
a. Yes, the forces are balanced because it equates to zero.
b. Yes, the forces are balanced because the arrows are the same.
c. No, the forces are unbalanced because the net force is 20
Newton.
d. No, the forces are unbalanced because the arrows are in
opposite direction.
11. The property of an object to resist any change in its state of
motion is _________.
A. Force B. Mass C. Inertia D. Acceleration
12. Which of the following object/s has/ have greater inertia?
A. 35 kg of rice B. 40 kg of corn C.45 kg of sand D. 50 kg of cotton

5. 13. Which of the statement below is correct?
I. Work is done on an object when the force applied to it covers a distance in
the direction of the applied force.
II. Work is not a way of transferring energy.
III. When works is done by an object it gains energy and when work is done on an
object it loses energy;
IV. An object above a specified level has energy due to its position called
potential energy.
A. I and II B. III and IV C. I, III, and IV D. I, II, and IV
14. If a carabao pulls on a wagon that is not moving, the wagon pulls back
equally as much on the carabao. Will the wagon be set into motion?
A. Yes, because there is a net force acting on the wagon.
B. Yes, because there is enough time interval between action and reaction.
C. Yes, because the carabao’s pull on the wagon is larger than the wagon’s
pull on the horse.
D. No, because the forces cancel each other.
15. Which of the following refers to the unit of force?
A. Joule B. Newton C. kg m/s D. m/s2

6. 16. What is the SI unit of mass?
A. lb B. kg C. m D. sec.
17. If you double the velocity of a moving bike, what will happen to its
kinetic energy?
A. It is zero B. It is halved C. It is doubled D. It increased four times
18. Which factor would cause the potential energy of a student walking
on the ground to become zero?
A. Its mass since it is constant.
B. Its velocity since it is always changing.
C. The gravitation since it is constantly fluctuating.
D. Its elevation (height) since it is leveled on the ground.
19. A 1000 kg car has a velocity of 17 m/s. What is the car’s kinetic
energy? KE= mv2/2
A. 8 500 kgm/s2 or J C. 144 500 kgm/s2 or J
B. 17 000 kgm/s2 or J D. 289 000 kgm/s2 or J

7. 20. Which of the following situations shows the gain of potential
energy?
I. A book on top of a table III. A wood falls from a branch
II. A stone on a cleft IV. A vase displaced from a chair
A. I & II B. II & III C. III & IV D. IV only
21. Will the elevation (height) cause the potential energy of a student
walking on the ground to become zero?
A. Yes, because it is leveled on the ground.
B. Yes, because the gravitation is constantly fluctuating.
C. No, because it is fixed.
D. No, because it is always changing.
22. What is the highest part of the wave?
A. Amplitude B. Crest C. Trough D. Wavelength
23. Which of the following refers to the height of the wave?
A. Amplitude B. Crest C. Trough D. Wavelength

8. 24. In Region XII SOCCSKSARGEN, Lake Sebu is one of
the tourist attractions because of its natural scenery
and cultural landscape. The place is cold with an
average air temperature of 24 0C. Given this air
temperature, what could be the speed of sound? V=
331m/s + 0.6 m/s /C (T)
A. 322 2 m/s C. 345.4 m/s
B. 335.3 m/s D. 355.5 m/s
25. When white light enters into a prism, what color
appears on top?
A. Blue B. Green C. Red D. Violet