1. Force is defined as:
A) Energy in motion
B) A push or pull acting on an object
C) Mass times volume
D) Speed of an object
Answer: B
2. The SI unit of force is:
A) Joule
B) Watt
C) Newton
D) Pascal
Answer: C
3. According to Newton’s First Law, an object will remain at rest or in motion unless acted upon by:
A) Gravity
B) Friction
C) An unbalanced force
D) Magnetism
Answer: C
4. The tendency of an object to resist change in its state of motion is called:
A) Velocity
B) Inertia
C) Momentum
D) Acceleration
Answer: B
5. Newton’s Second Law of Motion is mathematically expressed as:
A) F = m × a
B) V = d/t
C) E = mc²
D) P = mv
Answer: A
6. The SI unit of momentum is:
A) kg m/s
B) Newton
C) m/s²
D) Joule
Answer: A
7. Acceleration is defined as:
A) Change in distance
B) Change in speed
C) Change in velocity per unit time
D) Force per unit mass
Answer: C
8. If the net force on an object is zero, the object will:
A) Accelerate
B) Stop immediately
C) Move with constant velocity
D) Fall down
Answer: C
9. The force that opposes motion between two surfaces in contact is:
A) Gravity
B) Tension
C) Friction
D) Magnetism
Answer: C
10. The force that pulls objects toward the center of the Earth is:
A) Magnetic force
B) Gravitational force
C) Electrostatic force
D) Applied force
Answer: B
11. The acceleration due to gravity on Earth is approximately:
A) 5 m/s²
B) 9.8 m/s²
C) 15 m/s²
D) 1 m/s²
Answer: B
12. Speed is a:
A) Vector quantity
B) Scalar quantity
C) Force
D) Acceleration
Answer: B
13. Velocity differs from speed because it includes:
A) Time
B) Mass
C) Direction
D) Force
Answer: C
14. The product of mass and velocity is called:
A) Work
B) Power
C) Momentum
D) Energy
Answer: C
15. Newton’s Third Law states that for every action, there is:
A) Equal momentum
B) Equal mass
C) Equal and opposite reaction
D) Equal acceleration
Answer: C
16. A force that stretches or pulls a rope is called:
A) Friction
B) Tension
C) Gravity
D) Magnetic force
Answer: B
17. Circular motion requires a force directed toward the center called:
A) Applied force
B) Gravitational force
C) Centripetal force
D) Frictional force
Answer: C
18. The rate of change of momentum is equal to:
A) Energy
B) Work
C) Force
D) Velocity
Answer: C
19. When a moving car suddenly stops, passengers move forward due to:
A) Acceleration
B) Inertia
C) Friction
D) Gravity
Answer: B
20. The area under a velocity-time graph represents:
A) Acceleration
B) Distance traveled
C) Force
D) Mass
Answer: B
21. The slope of a distance-time graph gives:
A) Speed
B) Acceleration
C) Force
D) Momentum
Answer: A
22. The slope of a velocity-time graph represents:
A) Speed
B) Distance
C) Acceleration
D) Force
Answer: C
23. An object moving with uniform velocity has:
A) Zero acceleration
B) Maximum force
C) Increasing speed
D) Zero mass
Answer: A
24. Balanced forces acting on an object result in:
A) Acceleration
B) No change in motion
C) Increased speed
D) Decreased mass
Answer: B
25. The force exerted by a surface to support the weight of an object is called:
A) Magnetic force
B) Applied force
C) Normal force
D) Frictional force
Answer: C
26. If mass increases while force remains constant, acceleration will:
A) Increase
B) Decrease
C) Remain same
D) Become zero
Answer: B
27. The motion of a freely falling object is an example of:
A) Uniform motion
B) Circular motion
C) Accelerated motion
D) Oscillatory motion
Answer: C
28. Work is done when:
A) Force is applied without movement
B) An object moves due to applied force
C) Object remains at rest
D) Mass changes
Answer: B
29. The unit of acceleration is:
A) m/s
B) m/s²
C) kg m/s
D) Newton
Answer: B
30. The quantity that describes both speed and direction of motion is:
A) Speed
B) Distance
C) Velocity
D) Mass
Answer: C