Home
Class 11
PHYSICS
A horizontal force F is applied such tha...

A horizontal force F is applied such that the block remains stationary, then which of the following statement is false

A

f=mg [where f is the friction force]

B

F=N [where N is the normal force]

C

F will not produce torque

D

N will not produce torque

Text Solution

Verified by Experts

The correct Answer is:
D
For equilibrium `f=mg` and `F=N`
For rotational equilibrium normal will shift downward.

Hence, torque due to friction about center of mass =
Torque due to normal reaction about centre of mass
Promotional Banner

Similar Questions

Explore conceptually related problems

Find minimum μ so that the blocks remain stationary.

A horizontal force F is applied such that the block remains stationary because N will produce torque. The torque produced by friction force is equal and opposite the torque produce due to normal reaction (N). .

In the small block m is kept on planck of mass M and a force F is applied on planck as shown in diagram then which of the following statements is/are correct .

A metal block is resting on a rough wooden surface. A horizontal force applied to the block is increased uniformly. Which of the following curves correctly represents velocity of the block ?

A horizontal force F acts on the block of mass m and the block remains stationary, thr value of friction force is.

In previous question, if a horizontal force F=mumg//2 act on the block and the block remains stationary, then tension in string is.

A block rests on a horizontal surface. A horizontal force F is applied to the block. The acceleration (a) produced in the block as a function of applied force (F) has been plotted in a graph (see figure). Find the mass of the block.

Three identical blocks each of mass M are along a frictionless table and a force F is acting as shown. Which of the following statements is false ?

A cubical block of side L rests on a rough horizontal surface with coefficient of friction mu . A horizontal force F is applied on the block as shown. If the coefficient of frictions sufficienty high so that the block does not slide before toppling, the minimum force required to topple the block is : .

A block of unknown mass is at rest on a rough, horizontal surface. A horizontal force F is applied to the block. The graph in the figure shows the acceleration of the block with respect to the applied force. The mass of the block is