Question

Correct the statements.
i. Weight of a substance acts in all direction.
ii. In a clock, the second arm moves in circular path with variable speed.
iii. Mass of a body can be zero.​

Answer 1

Moment of force= force x perpendicular distance of force from point O

Moment of force= F x r

5Nm= 10 x r

R= 5/10 =0.5 m

Answer 2

1. ❌❌
2. In a clock,the second arm moves in circular motion in variable speed.
3. Mass of a body can never be zero