1. Which of the following is the correct unit for measuring force?

A. Joule (J)
B. Meter (m)
C. Newton (N)
D. Kilogram (kg)
2. What tool is commonly used to measure force?
A. Ruler
B. Barometer
C. Spring scale
D. Thermometer
3. When a force is applied to an object, it can cause the object to:
A. Move
B. Change its speed
C. Change its shape
D. All of the above
4. Two students are pulling on opposite ends of a rope with equal force. What will
happen to the rope?
A. It will stay in place.
B. It will stretch infinitely.
C. It will break immediately.
D. It will move toward the stronger student.
5. What happens to an object at rest when unbalanced forces act on it?
A. It will disappear.
B. It will gain weight.
C. It will remain at rest.
D. It will start moving.
6. Which of the following is an example of force acting between objects that are not
direct contact?
A. Lifting a box
B. Pulling a rope
C. Pushing a door open
D. Gravitational pull between the Earth and the Moon
7. Which of the following best describes a balance force?
A. The forces only act on stationary objects.
B. The forces cause the object to stop moving.
C. The forces are unequal and cause an object to move.
D. The forces are equal in size and opposite in direction, causing no change in
motion.
8. A car speeds up when a driver steps on the gas pedal. What type of fore is
primarily responsible for this?
A. Applied force
B. Magnetic force
C. Frictional force
D. Gravitational force
9. Which of the following best describes a balance force?
A. The forces only act on stationary objects.
B. The forces cause the object to stop moving.
C. The forces are unequal and cause an object to move.
D. The forces are equal in size and opposite in direction, causing no change in
motion.
10. Which of the following is an example of balanced forces?
A. A bicycle slowing down
B. A book resting on a table
C. A ball falling to the ground
D. A car accelerating on a highway
11. What happens to an object when balanced forcers act on it?
A. It stops.
B. It speeds up.
C. It slows down.
D. It moves at a constant velocity or remains stationary.
12. Which of the following situations demonstrates unbalanced forces?
A. A car parked on a level road
B. A man standing still on the ground
C. A box sliding down an inclined plane
D. A picture hanging motionless on a wall
13. A fruit feely from a tree. This is an example of:
A. Balanced forces
B. Constant velocity
C. Unbalanced forces
D. No forces acting on the fruit
14. A person pushes a box with just enough force to keep it moving at a constant
speed. What does this situation demonstrate?
A. Balanced forces
B. Unbalanced forces
C. Decreasing velocity
D. Increasing acceleration
15. What happens to an object when unbalanced forces act on it?
A. It gains mass.
B. It remains stationary
C. It moves with constant velocity
D. It changes its motion (accelerates or decelerates)
16. Which of the following best explains a car moving at a constant velocity?
A. There are no forces acting on the car.
B. The forces acting on the car are balanced.
C. The car is experiencing unbalanced forces.
D. The force of the engine is greater than friction.
17. A box is resting on an inclined but is not sliding down. What force is preventing
the box from sliding?
A. Gravity
B. Friction
C. Air resistance
D. Magnetic force
18. An object is moving with constant velocity on a smooth surface. Which statement
is true?
A. Gravity is not acting on the object.
B. Friction is greater than the applied force.
C. The net force acting on the objects is zero.
D. The object is experiencing unbalanced forces.
19. Which situation represents unbalanced forces?
A. A box resting on a level surface
B. A ball rolling downhill and speeding up
C. A person standing on the floor without moving
D. A car cruising at a constant speed on a flat road
20. What happens to an object when unbalanced forces act on it?
A. Its weight increases.
B. It remains stationary.
C. It stays at a constant velocity.
D. Its speed or direction changes.
21. Which of the following is an example of unbalanced forces?
A. A person standing still
B. A book resting on a table
C. A ball accelerating as it rolls downhill
D. A car moving at a constant speed on a straight road
22. An object is moving in a straight line at a constant speed. What can cause it to
change direction?
A. No force acting on it
B. Gravity acting downward
C. A balanced force acting on it
D. An unbalanced force acting at an angle to its motion
23. A toy car is pushed and starts to move faster. What causes its acceleration?
A. Frictional force
B. Balanced force
C. Gravitational force
D. Unbalanced forces
24. A person throws a ball into the air. Why does the ball slow down as it rises?
A. Friction stops the ball.
B. Balanced forces act on the ball.
C. The applies force is greater than gravity.
D. The gravity exerts an unbalanced force on the ball.
25. A car is turning a corner. What is the role of unbalanced forces in this situation?
A. They make the car heavier
B. They reduce the car’s mass
C. They keep the car stationary.
D. They cause the car to change direction.
26. A box is being pushed across the floor and slows down. What unbalanced force
is causing this?
A. Gravity pulling it downward
B. Air resistance acting upward
C. The applied force pushing the box
D. Friction acting opposite to its motion
27. A car is accelerating on the highway. What causes the car to speed up?
A. The normal force from the road
B. Gravity pulling the car downward
C. The unbalanced force generated by the engine
D. Balanced forces between the engine and friction
28. A ball is kicked and it rolls across the floor. What unbalanced force acts to
eventually stop the ball?
A. Gravity
B. Friction
C. The applied force from the kick
D. No force acts on the ball
29. A box is resting on a flat surface. Which free-body diagram represents the forces
acting on the box?
A. A downward arrow only
B. An upward arrow only
C. A leftward arrow and a rightward arrow of equal length
D. An upward arrow and a downward arrow of equal length