SL ARORA-Work, Energy and power-EXERCISE
- Calculate the amount of work done by a labourer who carries n bricks, ...
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- A man moves on a straight horizontal road with a block of mass 2 kg i...
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- A force F = (2hati-6 hatj) N is applied on a body. which is sliding ov...
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- A force vecF=hat i+5 hat j+7 hat k acts on a particle and displaces it...
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- A particle is acted upon by constant forces vecF=-2hati+3hatj+4hatk an...
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- A man weighing 50kg f supports a body of 25 kg f on his head. What is ...
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- Explain how work done by a variable force may be measured.
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- A force F=(15+0.50x) acts on a particle in the X-directation ,where F ...
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- A force F=a+b x acts on a particle in the X-direction, where a and b a...
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- The relation between the displacement x and the time t for a body of m...
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- Figrue shows the F-x graph. Where F is the force applied x is the dist...
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- Calculate work done in moving the object from x=2 to x=3m from the gr...
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- The momentum of a body of masss of 5kg is 500kg ms^(-1). Find the its...
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- A bullet of mass 20g is found is found to pass two points 30cm apart i...
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- A body of mass 2kg is resting on rough horizontal surface. A force 20N...
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- A body of mass 2kg is resting on a rough horizontal surface. A force o...
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- A electron and a proton are detected in a cosmic ray experiment, the e...
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- A neutron of mass 1.66xx10^(-27)kg is moving with a speed of 7xx10^(5)...
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- A neutron of mass 1.66xx10^(-27)kg is moving with a speed of 7xx10^(5)...
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- A body of masss 1kg is allowed to fall freely under gravity. Find kine...
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