Question

A person applies constant force →F on a particle of mass m and finds that the particle moves in a circle of radius r with a uniform speed v as seen from an inertial frame of reference.
(a) This is not possible.
(b) There are other forces on the particle.
(c) The resultant of the other forces is mv2r towards the centre.
(d) The resultant of the other forces varies in magnitude as well as in direction

Answer 1

There are other forces on the particle.

The resultant of the other forces varies in magnitude as well as in direction.

Explanation:

• When the consistent force is applied to a particles then it will move in roundabout way. At its underlying position, the Forces will be unique yet as it begins moving then there will be some different powers to adjust it since F is consistent. Option (b) is right.  

• Now, At each position the Value of the Forces on the article will shift since they can possibly adjust the body when they will change in extent just as heading. Along these lines, there Resultants likewise changes. In this way, Option (d) is likewise right.