# A force of 50 N moves a body.

By BYJU'S Exam Prep

Updated on: September 25th, 2023

1. The frictional force exerted on a body is more than 50 N.
2. The frictional force exerted on a body is less than 50 N.
3. Both (1) and (2).
4. None of these.

The frictional force exerted on a body is less than 50 N. It is because the force of 50 N moves the body. The force that opposes the motion of an object is called frictional force or friction. It opposes the relative motion between the surfaces of the two objects.

## Answer: Frictional force exerted on a body is less than 50 N as the force of 50 N moves the body.

The frictional force always opposes the applied force. The factors affecting frictional force are:

• It is caused by the irregularities on the two surfaces.
• Even on smooth surfaces, there are a large number of minute irregularities.
• The irregularities on the surfaces lock into one another.
• Thus, when an attempt is made to move any surface, the frictional force is applied to overcome interlocking.
• The larger the number of irregularities, the greater the frictional force.

Summary:

## A force of 50 N moves a body.

If a force of 50 N moves the body then the frictional force exerted on a body will be less than 50 N.

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