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NN GHOSH-FRICTION, WORK POWER AND ENERGY-Exercises (B)
- A block of mass m slides down an inclined right angled trough .If the ...
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- A force of 5 N acts on a 15 kg body initially at rest. The work done b...
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- The force required to tow boat at a constant velocity is proportional ...
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- What power is developed by a grinding machine whose wheel has a radius...
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- Consider the system of weights P(1)=1 kg,P(2) = 2 kg,P(3) = 5kg and P(...
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- A plane surface, incline at 37^(@) to the horizontal is accelerated ho...
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- A weight of mass m=1 kg attached to a spring of force constant k = 20 ...
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- M(A) = 3 kg ,M(B) = 4 kg ,M(C) = 8 kg. Coefficient of friction between...
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- The total mass of an elevator with a 80 kg man in it is 1000 kg. This ...
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- Two masses 1.65 kg and 3.30 kg are joined together by a massles rod pa...
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- A body of mass m was slowly hauled up the hill as shown in the fig. by...
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- Following are three equations of motion S=ut+(1)/(2)at^(2) v(s)=s...
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- An escalator joins one floor with another 10 m above. The escalator is...
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- A ball of mass m is projected horizontally with velocity v into the ba...
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- A block of mass 2kg slides on a frictionless table with with a speed o...
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- An ideal massless spring is compressed by 1 m by a force of 100 N. The...
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- Masses M(1),M(2) and M(3) are connected by string of negligible mass w...
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- The handles of a table-drawer are equidistant from the sides of the dr...
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- A fixed pulley carries a weightless thread with masses m(2) and m(1) a...
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- A block of mass m is placed on the rough incline of a wedge of mass M ...
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