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1. The concept of force is based on which of the following everyday actions?
A. Running and jumping
B. Pushing, hitting, or pulling
C. Seeing and hearing
D. Heating and cooling
2. Which of the following describes the effect of a force?
A. Only changes the direction of an object
B. Only changes the size of an object
C. Can change speed, direction, or shape of an object
D. Only changes the color of an object
3. When two equal and opposite forces act on an object and it does not move, the forces are said to be:
A. Unbalanced forces
B. Rotational forces
C. Balanced forces
D. Gravitational forces
4. What happens when an unbalanced force acts on an object?
A. The object changes its state of motion
B. The object remains at rest
C. The object disappears
D. The object’s weight increases
5. The force of friction acts in which direction?
A. Same as motion
B. Opposite to motion
C. Perpendicular to motion
D. Random direction
6. Which type of force brings a moving object to rest on a rough surface?
A. Magnetic force
B. Frictional force
C. Electrostatic force
D. Centripetal force
7. When children push a heavy box and it doesn’t move, what balances the pushing force?
A. Air resistance
B. Magnetic pull
C. Frictional force
D. Gravitational pull
8. If the pushing force becomes greater than the frictional force, the object will:
A. Stay at rest
B. Move in the direction of the push
C. Move opposite to the push
D. Float in air
9. What is the cause of a bicycle slowing down when we stop pedaling?
A. Gravity
B. Frictional forces
C. Inertia
D. Momentum
10. A force is required to:
A. Maintain uniform motion
B. Change speed or direction of motion
C. Keep an object moving forever
D. Remove inertia completely
11. Which of the following is NOT an effect of force?
A. Changing shape of an object
B. Changing direction of motion
C. Increasing weight permanently
D. Changing speed of motion
12. The box on the floor does not move when a small force is applied because:
A. No gravity acts on it
B. Friction balances the applied force
C. It has no mass
D. It is glued to the floor
13. What type of force exists between two surfaces in contact?
A. Frictional force
B. Electrostatic force
C. Gravitational force
D. Magnetic force
14. If equal forces act in opposite directions, the net force is:
A. Maximum
B. Half of the sum
C. Zero
D. Double
15. When a force is applied on a soft rubber ball, its shape changes.This shows that:
A. Force has no effect
B. Force can change the shape of objects
C. Force reduces mass
D. Force increases color brightness
16. What is required to accelerate the motion of an object?
A. Balanced force
B. No force
C. Unbalanced force
D. Magnetic pull
17. If all forces on an object are balanced, what will happen to its motion?
A. It will accelerate
B. It will remain at rest or move uniformly
C. It will fall down
D. It will stop instantly
18. In which of the following cases is an unbalanced force acting?
A. A book resting on a table
B. A car moving with uniform velocity
C. A ball being kicked
D. A stationary stone
19. What happens to the velocity of an object when an unbalanced force acts on it?
A. Velocity remains constant
B. Velocity changes
C. Object stops
D. Direction remains unchanged
20. Which statement about force is correct?
A. Force can only stop an object
B. Force always acts in one direction
C. Force can start, stop, or change motion
D. Force cannot act without contact
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