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LAKHMIR SINGH & MANJIT KAUR-FORCE AND LAWS OF MOTION-Exercise
- A body of mass 25 kg has a momentum of 125 kg.m/s. Calculate the veloc...
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- Calculate the momentum of the following: (a) an elephant of mass 200...
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- Which of the two, balanced forces or unbalanced forces, can change the...
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- Describe the term 'inertia' with respect to motion.
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- On what factor does the inertia of a body depend ? Which has more iner...
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- A person in a bus tends to fall backward, when it starts suddenly?
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- Why does a person in a bus tends to fall forward when it stops suddenl...
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- When a carpet is beaten with a stick, dust comes out of it, Explain.
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- When a branch of a tree is shaken, some of the fruits may fall down. W...
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- Explain why, it is dangerous to jump out of a moving bus.
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- What is the momentum in kg.m/s of a 10 kg car travelling at (a) 5 m/s ...
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- (a) Define momentum of a body. On what factors does the momentum of a ...
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- (a) Define the term 'force'. (b) State the various effects of force.
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- Give one example each where: (a) a force moves a stationary body. ...
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- (a) What do you understand by the terms "balanced forces" and "unbalan...
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- (a) What happens to the passengers travelling in the bus when the bus...
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- When a tooothpaste tube is squeezed, its shape changes. The force resp...
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- The inertia of an object tends to cause the object
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- When we talk of a force acting on a body, it usually means:
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- A passenger in a moving train tosses a coin which falls behind him. It...
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