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Laws of Motion & Work-Energy Theorem
NEET Physics • 10 questions • Free on ExamBattle
Practice Questions
Q1
A body of mass 2 kg is moving with velocity 5 m/s. A force of 10 N acts on it for 3 s. The final velocity is:
- A. 10 m/s
- B. 20 m/s
- C. 15 m/s
- D. 25 m/s
Q2
The work done by a force F = 10 N in displacing a body by 5 m at an angle of 60° to the force is:
- A. 25 J
- B. 50 J
- C. 43.3 J
- D. 10 J
Q3
A 10 kg block is at rest on a surface with μₛ = 0.3. The maximum static friction force is (g = 10 m/s²):
- A. 15 N
- B. 20 N
- C. 30 N
- D. 40 N
Q4
A ball is dropped from rest at height h. Its kinetic energy just before hitting the ground is:
- A. mgh/2
- B. mgh
- C. 2mgh
- D. mg
Q5
Newton's third law states that action and reaction forces:
- A. Act on the same body in opposite directions
- B. Act on different bodies and are equal in magnitude
- C. Cancel each other out
- D. Are always vertical
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