Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) A small block of mass 100 g moves with uniform speed in a horizontal circular groove, with vertical side walls, of radius 25 cm. If the block takes 2.0s to complete one round, find the normal reaction by the side wall of the groove - Sarthaks eConnect

A small block of mass 100 g moves with uniform speed in a horizontal circular groove, with vertical side walls, of radius 25 cm. If the block takes 2.0s to complete one round, find the normal reaction by the side wall of the groove

A small block of mass 100 g moves with uniform speed in a horizontal circular groove, with vertical side walls, of radius 25 cm. If the block takes 2.0s to complete one round, find the normal reaction by the side wall of the groove

A.

0.25 N

B.

0.5 N

C.

1N

D.

2N

Solution

0 votes

Best answer

Towards the center. The only force in this direction is the normal constant force due to the slide walls.

Thus from Newtons's second law , this force is

ma=(0.100 kg )(2.5 m/ `s^2`)=0.25 N