Home
Class 12
PHYSICS
A block is placed on a rough floor and ...

A block is placed on a rough floor and a horizontal force F is applied on it. The force of friction f by the floor on the block is measured for different values of F and a graph is plotted between them.

A

a and c are true

B

a, b and d are true

C

c and d are true

D

all are true

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A block placed on a rough horizontal surface is pulled by a horizontal force F Let f be the force applied by the rough surface on the block . Plot a graph of f versus F .

A block of mass m slips on a rough horizontal table under the action of horiozontal force applied to it. The coefficient of friction between the block and the table is mu . The table does not move on the floor. Find the total frictional force aplied by the floor on the legs of the table. Do you need the friction coefficient between the table and the floor or the mass of the table ?

A block of mass 20kg is placed on a rough horizontal plane and a horizontal force of 12N is applied. If coefficient of friction is 0.1 the frictional force acting on it is,

A block is placed on a rough horizontal plane. Three horizontalforces are applied on the block as shown in the figure. If the block is in equilibrium, find the friction force acting on the block.

A block placed on a rough horizontal surface is pushed with a force F acting horizontally on the block. The magnitude of F is increased and acceleration produced is plotted in the graph shown.

A block of mass 10 kg is kept over a rough surface and a force F=4t is applied on it. At what value of t the block will start moving :-

A block is placed on a rough horizontal plane. A time dependent horizontal force F=K t acts on the block K is a postive constant. Accelration-time graph of 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

A force P acts on a smooth block of mass m placed on a horizontal floor at an angle theta with with horizontal on the block

A block weighs W is held against a vertical wall by applying a horizontal force F. The minimum value of F needed to hold the block is