MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Frictional Force

Work done by ...

Question

Work done by kinetic friction on a body is never zero.

A

True

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

B

False

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

C

Ambiguous

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

D

Data insufficient

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

Open in App

Solution

The correct option is B False
Work can be zero if the frictional force does not produce any motion relative to the frame of reference.

Suggest Corrections

thumbs-up

1

Similar questions

Q. Assertion :A work done by friction is always negative. Reason: If frictional force acts on a body its kinetic energy may decrease.

Q. Work done by kinetic friction on a system is always negative on the system.

The work done by kinetic friction on an object is always negative.

Q. A solid sphere of mass

m

is placed on rough inclined plane. The coefficient of friction

μ

, is insufficient to start pure rolling. The sphere slides a length

l

on the incline from rest and its kinetic energy becomes

K

. Then work done by friction will be :

Q. A rigid body of mass

2

kg initially at rest moves under the action of an applied horizontal force at

7

N on a table with coefficient of kinetic friction

= 0.1

, Calculate the:

1. Work done by the applied force on the body in

10

2. Work done by friction on the body in

10

3. Work done by the net force on the body in

10

4. Change in kinetic energy of the body in

10

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Frictional Force

PHYSICS

Watch in App

explore_more_icon

Explore more

Frictional Force

Standard VII Physics

Join BYJU'S Learning Program

CrossIcon