MBD-WORK, ENERGY AND POWER-EXAMPLE
- A rocket accelerates sraight up by ejecting gas downwards. In a small ...
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- Two identical steel cubes (masses 50 g, side 1 cm) collide head-on fac...
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- A ballon filled with helium rises against gravity increasing its poten...
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- The work done by a force is given by the dot product of force vecF and...
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- A particle moves in the xy plane under the influence of a force. the r...
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- The kinetic energy of a body becomes 4 times its initial value. The ne...
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- A bullet of mass M hits a block of mass M'. The transfer of energy is ...
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- One coolie takes two minutes to raise a box from platform to train. An...
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- The kinetic energy acquired by a mass m after travelling a fixed dista...
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- In a gravitational field, the work done in transporting mass from one ...
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- The work done by the varying force in changing the angular displacemen...
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- The work done by the tension T in t above process is
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- Two bodies of unequal mass are moving in the same direction with equal...
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- When K.E. of a body is increased by 300 %, the momentum of the body is...
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- Two solid subber balls A and B having masses 0.2 and 0.4 are moving in...
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- If a stone is thrown up vertically and return to ground, its potential...
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- A ball is dropped from a height of 20 m and rebounds to a height of 10...
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- Two masses of 1g and 9 g are moving with equal kinetic energies. The r...
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- Fill in the blanks: Moon going round the earth work is done.
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- Fill in the blanks: Wrk done is if a body gets displaced in a direc...
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