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JEE Quick: Mechanics Basics
JEE Physics • 10 questions • Free on ExamBattle
Practice Questions
Q1
The work done by a force F = 5 N in displacing an object by 4 m in the direction of force is:
- A. 10 J
- B. 20 J
- C. 25 J
- D. 15 J
Q2
A body of mass 2 kg moving with velocity 3 m/s has a kinetic energy of:
- A. 6 J
- B. 9 J
- C. 12 J
- D. 18 J
Q3
The momentum of a body of mass 5 kg moving with velocity 10 m/s is:
- A. 25 kg·m/s
- B. 50 kg·m/s
- C. 100 kg·m/s
- D. 15 kg·m/s
Q4
A body moving in a circle of radius 2 m with speed 4 m/s has centripetal acceleration:
- A. 4 m/s²
- B. 8 m/s²
- C. 2 m/s²
- D. 16 m/s²
Q5
If two bodies of masses 3 kg and 6 kg collide and stick together, and the 3 kg body was moving at 8 m/s while the 6 kg body was at rest, the velocity after collision is:
- A. 2 m/s
- B. 8/3 m/s
- C. 4 m/s
- D. 6 m/s
Q6
The power required to lift a 10 kg mass through 5 m in 10 s is (g = 10 m/s²):
- A. 100 W
- B. 50 W
- C. 25 W
- D. 500 W
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