18. An apple falls from its tree. What force is acting on it? A. Normal force B. Magnetic force C. Friction force D. Gravitational force
19. When a chair touches the floor, which type of force is applied?
A Net force
B. Unbalanced force C. Contact force D. Non-contact force
20. Equal in magnitude but opposite in direction is referred to as
A Balanced forces B. Unbalanced force C. Applied force D. Resultant force
21. Which is true about balanced forces?
A. Always cause change in motion C. Sometimes cause a change in motion
B. Do not cause any change in motion D. Mostly causes a change in motion
22. The ability or capacity to do work
A. power
B. work
C. energy
D. acceleration
23. The tendency of an object to maintain its state of rest or of uniform velocity in a straight line
A. motion
B. inertia
D. energy
24. "The acceleration of an object is directly proportional to the net force acting on it and is direction
of the net force acting on the object."
A. Law of acceleration B. Law of Inertia C. Law of Interaction
D. Law of gravit
25 Mass defines as
A the size of an object
C. the amount of matter in an object
B. the time it takes to get on a ride
D. magnitude of the force of gravity on object
26. The following situations are examples of the Law of Inertia except;
Use of seatbelts
C. driving a car with constant speed
B. An object at rest
D. pushing the wall
27 Driving around a corner ( changing of direction) applies the law of
D. Acceleration
Albertia
B. Interaction C. Conservation
example of
C. power
of Energy