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SL ARORA-Laws of Motion-Exercise
- Define the term coefficient of limiting friction between the surfaces....
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- When a horse pulls a cart, by Newton's III law the cart also pulls the...
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- What is banking of roads ? Why is it essential ? Derive the equation f...
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- A small body tied to one end of the string is whirled in a vertical ci...
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- IF a stone is tied to one end of the string and whirled in verticle ci...
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- A person of mass m isstanding in a lift. Find his apparent weight when...
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- 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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