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SL ARORA-Laws of Motion-Exercise
- A person of mass m is standing in a lift. Find his apparent weight whe...
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- The mass of man when standing on the lift is 60 kg. The weight when th...
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- Explain why? (a) a horse cannot pull a cart and run in empty space. ...
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- Obtain an expression for the centripetal force F acting on a particle...
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- Why does a gun recoil on firing? Obtain an expression for recoil veloc...
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- LAWS OF LIMITING FRICTION
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- Derive an expression for acceleration of a body down a rough inclined ...
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- Why are the curved roads banked ? Obtain an expression for angle of ba...
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- A 1000 kg car rounds a curve on a flat road of radius 50 m at a speed ...
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- In a vertical circle the minimum or critical velocity at highest pint ...
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- Why has a horse to pull a cart harder during the first few steps of hi...
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- The negatively charged dust particles are attracted by
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- A batsman deflects a ball by an angle of 45^(@) without changing its i...
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- What do you mean by central forces?
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- Draw neat, labelled diagram showing different forces acting on a vehic...
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- Detrmine the maximum acceleration of the train in which a box lying on...
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- A ship of mass 3xx10^7kg initially at rest, is pulled by a force of 5x...
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- A vessel containing water is given a constant acceleration 'a' towards...
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- Two particles of masses m1 and m2 in projectile motion have velocities...
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- Two blocks A and B of masses 2m and respectively, are connected by a ...
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