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SL ARORA-Laws of Motion-Exercise
- A man of mass 75 kg is standing in an elevator which is moving with an...
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- A boy of 50 kg is in a lift moving down with an acceleration 9.8ms^(-2...
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- A man is standing on a sparing platform, Reading of spring balaance is...
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- A lift accelerates upward, then decelerates and stops at higher floor....
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- A bullet of mass 10 g is fired from a gun of mass 1 kg with recoil vel...
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- A bomb of mass 9 kg explodes into 2 pieces of mass 3 kg and 6 kg. The ...
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- A machine gun fires n bullets per second each of mass m . If the speed...
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- The spacecraft of mass M moves with velocity v in free space at first,...
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- The force on a rocket moving with a veloctiy 300 m/s is 210N. The rate...
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- A satellite in a force-free space sweeps stationary interplantary dust...
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- If a body is in equiliburium under a set of non-collinear forces, then...
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- A weight w is suspended from the midpoint of a rope, whose ends are at...
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- The adjacent figure is the part of a horizontally stretched net. secti...
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- A plumb line is suspended from a ceiling of a car moving with horizont...
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- In the arrangement shown in fig. The strings are light and inextensibl...
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- Three blocks of masses 2 kg , 3 kg and 5 kg are connected to each othe...
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- A block of mass M is pulled along a horizontal frictionless surface by...
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- Two masses m(1) and m(2) are attached to a string which passes over a ...
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- Direction of frictional force between wheel of the car and road is
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- Which of the following is the dimension of the coefficient of friction...
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