MEDIUM
10th ICSE
IMPORTANT
Earn 100

Derive a relationship between SI and CGS units of work.

Important Questions on Work, Energy and Power

MEDIUM
10th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 2 - Work, Energy and Power>ICSE-2019>Q 4
Two bodies A and B have masses in the ratio 5:1 and their kinetic energies are in the ratio 125:9. Find the ratio of their velocities.                                                                                                                                
EASY
10th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 2 - Work, Energy and Power>ICSE-2018>Q 7
State and define the SI unit of power.
EASY
10th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 2 - Work, Energy and Power>ICSE-2018>Q 8
How is the unit horsepower related to the SI unit of power?
MEDIUM
10th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 2 - Work, Energy and Power>ICSE-2018>Q 9
A force acts on a body and displaces it by a distance S in a direction at an angle θ with the direction of force. What should be the value of θ to get the maximum positive work?
MEDIUM
10th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 2 - Work, Energy and Power>ICSE-2019>Q 10
A body of mass 10 kg is kept at a height of 5 m. It is allowed to fall and reach the ground. What is the total mechanical energy possessed by the body at the height of 2 m assuming it is a frictionless medium? (use g=10 m s-2)
MEDIUM
10th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 2 - Work, Energy and Power>ICSE-2019>Q 11
A body of mass 10 kg is kept at a height of 5 m. It is allowed to fall and reach the ground. What is the kinetic energy possessed by the body just before hitting the ground? Take g=10 m s-2
EASY
10th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 2 - Work, Energy and Power>ICSE-2020>Q 12
A satellite revolves around a planet in a circular orbit. What is the work done by the satellite at any instant? Give a reason.
EASY
10th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 2 - Work, Energy and Power>ICSE-2020>Q 14
A crane 'A' lifts a heavy load in 5 seconds, whereas another crane 'B' does the same work in 2 seconds. Compare the power of crane 'A' to that of crane 'B'.