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SL ARORA-Laws of Motion-Exercise
- A boy of mass m stands on one end of a wooden plank of length L and ma...
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- Rocket engines lift a rocket from the earth surface because hot gas wi...
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- The motion of a rocket is based on the principle of conservation of
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- A rocket with a lift-off mass 3.5xx10^4 kg is blasted upwards with an ...
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- A rocket is fired upward from the earth's surface such that it creates...
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- A person is standing in an elevator. In which situation he finds his w...
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- A person holds a spring balance with a mass m hanging from it goes up ...
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- A man of mass 60 kg records his wt. on a weighing machine placed insid...
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- A simple pendulum is set up in a trolley which moves to the right with...
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- The forces, which meet at one point but their line of action do not li...
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- Which one of the following is a non-conservative force ?
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- A person used force (F) , shown in figure to move a load with constant...
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- Two masses M(1)=5kg,M(2)=10kg are connected at the ends of an inextens...
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- Three equal weights of 3 kg each are hanging on a string passing over ...
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- If the normal force is doubled, the coefficient of friction is
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- A block has been placed on an inclined plane with the slope angle thet...
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- A body of mass m is placed on a rough surface with coefficient of fric...
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- A 60 kg weight is dragged on a horizontal surface by a rope upto 2 met...
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- A marble block of mass 2 kg lying on ice when given a velocity of 6m//...
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- A block of mass M is pulled along a horizontal surface by applying a f...
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