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BINA LIBRARY-LAWS OF MOTION-EXERCISE
- Define inertia. What is the factor on which it depends?
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- Whith physical quantity determines the inertia of rest / motion?
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- Ripe fruits fall down when the tree is shaken. Why?
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- State the law of inertia as given by Newton.
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- What is the significance of Newton's second law of motion ?
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- What is impulse ? Is it a vector quantity ?
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- What is momentum ? What is its unit ?
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- Which physical quantity has the same units and dimensions as impulse ?
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- Mention three consequences of Newton's third law of motion.
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- Do action and reaction act on the same body?
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- Why are shockers used in automobiles?
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- Define co-efficient of friction. On what factors does it depend?
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- Can we increase or decrease friction?
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- What is limiting friction?
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- Distibguish between centripetal and centrifugal forces.
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- Why does a particle moving with uniform speed along a curve have an ac...
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- Why does a cyclist bend inwards while negotiating a curve ?
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- What is angle of banking?
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- Can there be a circular motion without acceleration?
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- Why is centrifugal force called a Pseudo force?
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