1.
The power developed by a body acted upon by a torque 'T' Newton meter (N - m) and revolving at $$\omega $$ radian/s is given by

3.
From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the centre of circular plate

4.
If rain is falling in the opposite direction of the movement of a pedestrian, he has to hold his umbrella

5.
According to Newton's first law of motion,

6.
The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in the opposite directions. These forces are known as

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