Home
Class 11
PHYSICS
A man manages to balance a block of mass...

A man manages to balance a block of mass 2 kg by pushing it in horizontal against an erect wall. If `mu= 0.25` between the wall and the block , and `mu = 0.15` between the block and the hand, find the force needed to be applied by the man.

Text Solution

Verified by Experts

The correct Answer is:
49 N
Promotional Banner

Topper's Solved these Questions

  • FRICTION

    CHHAYA PUBLICATION|Exercise Problem Set -II (Based on Fundamentals of Friction )|5 Videos

  • FRICTION

    CHHAYA PUBLICATION|Exercise Problem Set -II (Based on Motion on Inclined Surface )|8 Videos

  • FRICTION

    CHHAYA PUBLICATION|Exercise Short Answer Type Question-I|5 Videos

  • FIRST AND SECOND LAW OF THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|18 Videos

  • HYDROSTATICS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|1 Videos

Similar Questions

Explore conceptually related problems

A block of mass 0.1 kg is kept pressed onto a wall by applying a horizontal force of 5 N. If the coefficient of friction between the block and the wall is 0.5, find the force of friction on the block.

A block of mass 0.1 kg is kept pressed against a wall by applying a force of 5 N horizontally on the block. Coefficient of friction between the block and the wall is 0.5. Friction acting on the block is.

A block of mass 25 kg is kept on a horizontal plane. The block is pulled in a direction 30^(@) to the horizontal, and when the force is 100 N, the block start its motion. Find the coefficient on friction between the block and the plane.

A block of mass 5 kg rests on a table. 8 N horizontal force is applied to push the block. Find out the force of friction between the block and the table. Given, mu_s = 0.3 and mu_k = 0.2 , between the block and the table and g = 10 ms^-2 .

A block of mass M rests on an inclined plane. If the coefficient of friction between the block and the plane is mu , then the block will slide down the plane under its own weight when the angle of inclination is

A-block of mass 5 kg. rests on a table. 8 N horizontal force is applied to push the block. Find out the force of friction between the block and the table. Given mu_s = 0.3 and mu_k = 0.2, between the block and the table and g = 10 ms^-2 .

A block of mass 5 kg rests on a table. 8 N horizontal force is applied to push the block. Find out the force of friction between the block and the table. Given mu_(s)=0.3 "and" mu_(k) =0.2, between the block and the table and g = 10 "m.s"^(-2)

A block of mass M rests on an inclined plane. If the coefficient of friction between the block and the plane is mu then the block will slide down the plane under its own weight the angle of inclination is