A block, placed on a horizontal table, just starts moving when the applied horizontal force is 5 N. What can we say about the magnitude of friction acting on the block once it starts moving?

5 N

No worries! We‘ve got your back. Try BYJU‘S free classes today!

0 N

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Less than 5 N

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Greater than 5 N

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C Less than 5 N
Here, the maximum value of static friction between the block and the table is 5 N. Once the block start sliding, kinetic friction will come into play. As kinetic friction is less than static friction, its value will be less than 5 N.

Suggest Corrections

Similar questions

Q. A block, placed on a horizontal table, just starts moving when the applied horizontal force is 5 N. What can we say about the magnitude of friction acting on the block once it starts moving?

A block, kept on ground, requires 10 N of horizontal force to just start moving. If we apply a force of 5 N on the block in horizontal direction, what will be the magnitude of frictional force acting on it?

A force 'F' is continuously applied to a block that is lying on a horizontal surface. The block starts moving soon after the force is applied. The static friction was 'St' and the sliding friction was 'Sl'. What is the net force acting on the block once it has started moving?

(A) F

(B) F-St

(D) F-Sl

Q. A block of mass