An object of mass 'm' is moving with a velocity 'v' on a level ground. State the work done by a person who wants to stop the object. Justify your answer.
Asked by Sthitaprajna Mishra
| 22nd Feb, 2014,
03:30: PM
Expert Answer:
The kinetic energy of a body moving with a certain velocity is equal to the work done on it to make it acquire that velocity.
Or
The work done is equal to the change in the kinetic energy of an object.
Work done = Kinetic enegy = 1/2 mv2
The kinetic energy of a body moving with a certain velocity is equal to the work done on it to make it acquire that velocity.
Or
The work done is equal to the change in the kinetic energy of an object.
Answered by
| 24th Feb, 2014,
11:40: AM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Sign Up
Verify mobile number
Enter the OTP sent to your number
Change