Home
Class 11
PHYSICS
A body of mass 2 kg initially at rest mo...

A body of mass 2 kg initially at rest moves under the action of an applied horizontal force of 7N on a table with coefficient of kinetic friction `= 0.1`. Compute the
Change in kinetic energy of the body in 10s.

Text Solution

Verified by Experts

`635 J` Work done by the net force on a body equals change in its kinetic energy.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    NCERT BANGLISH|Exercise EXERCISES (ADDITIONAL EXERCISES)|6 Videos

  • WORK, ENERGY AND POWER

    NCERT BANGLISH|Exercise EXERCISES (ADDITIONAL EXERCISES)|6 Videos

  • WAVES

    NCERT BANGLISH|Exercise Exercises|26 Videos

Similar Questions

Explore conceptually related problems

A body of mass 2 kg initially at rest moves under the action of an applied horizontal force of 7N on a table with coefficient of kinetic friction = 0.1 . Compute the Work done by the net force on the body in 10s.

A body of mass 2 kg initially at rest moves under the action of an applied horizontal force of 7N on a table with coefficient of kinetic friction = 0.1 . Compute the Work done by friction in 10s.

Knowledge Check

  • 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
    2.5 N
    B
    0.98 N
    C
    4.9 N
    D
    0.40 N

    • Similar Questions

    Explore conceptually related problems

    A body of mass 2 kg initially at rest moves under the action of an applied horizontal force of 7N on a table with coefficient of kinetic friction = 0.1 . Compute the Work done by the applied force in 10s.

    A body of mass 5kg initially at rest is subjected to a force of 20N. What is the kinetic energy acquired by the body at the end of 10s?

    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.

    To set a body mass 5 kg in motion over a horizontal surface a minimum force of 30 N has to be applied. What is the value of the coefficient of friction?

    A force of 30 N acts on a body of mass 2.0 kg starting from rest upto a distance of 3.0 m . Then the force reduces to 15N and acts in the same direction upto 2.0 m . Calculate the final kinetic energy of the body.

    A body of mass 5g is moving in a straight line with a velocity of 10 cm *s^(-1) . A force of 10 sqrt(2) dyn is applied on the body at an angle of 45^@ with the line of motion. What is the change in kinetic energy of the body in 1 st second ?

    A force of 98N is just able to move a block of mass 20kg on a rough horizontal surface. Calculate the coefficient of friction and the angle of friction.

    Home
    Profile