Directions: Choose the letter of the correct answer. Write the letter of your answer on a
separate sheet of paper.
1. Rolling objects in an inclined plane move faster due to
A. friction B. pressure C. mass of an object D. gravitational pull of the earth
2. Why is it difficult to climb up the stairs rather than to go down the stairs?
A. because you move upward
C. because you go with the gravity
B. because you move downward
D. because you go against the gravity
3. Which of these conditions will affect the motion of an object?
I. Friction
II. Gravity
III. Air pressure
A. I only
B. II only
C. I and II
D. I and III
4. Which of these simple machines can change the speed of moving objects?
A. lever
B. pliers
C. inclined planes
D. wheel and axle
5. Which of the following statements is TRUE about force?
A. Force is applied to learn new things.
B. Force is not essential in keeping planets in orbit.
C. Force pull all objects away from the center of the earth.
. Force is an important factor in order to move or change the direction of the motion of an​