2.
The resultant of two forces, one double the other in magnitude, is perpendicular to the smaller of two forces. The angle between the two forces is
3.
A particle is moving with a constant speed along a straight line path. A force is not required to
4.
When a bus suddenly takes a turn, the passengers are thrown outwards because of
5.
The velocity of a body of mass 20 kg decreases from 20 m/s to 5 m/s in a distance of 100 m. Force on the body is
6.
Which of the following quantities measured from different inertial reference frames are same?
7.
A person is standing in an elevator. In which situation, he finds his weight less than actual weight?
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