A body at rest may have
The static friction is
The minimum number of unequal forces whose vector sum can equal to zero is
A car is traveling due east at 40 miles /hr turns south and maintains the same speed. What is the change in velocity of car?
The weight of a 10 kg block is
Which of the following is not necessary for work to be done?
A fixed pulley is employed to
A force of6.0 N acts on a body of mass 1 kg. for some time during which the body attains a velocity of 30 m/s/ The time (in second) for which the force acts on the body is
Which is the suitable method to decrease friction?
Forces of 3N, 4N and 12N act at a point in mutually perpendicular direction. The magnitude of the resultant force in newton is
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