Advertisements
Advertisements
Question
What are the units of (a) work, and (b) energy?
Advertisements
Solution
The units of work and energy are the same.
(a) Work - Joule (J)
(b) Energy - Joule (J)
APPEARS IN
RELATED QUESTIONS
An electron emitter must have _____________ work function and ___________ melting point.
A girl is carrying a school bag of 3 kg mass on her back and moves 200 m on a levelled road. If the value of g be 10 m/s2, the work done by the girl against the gravitational force will be :
Draw a neat labeled diagram to show the direction of two forces acting on a body to produce rotation in it. Also mark the point about which rotation takes place.
What is the ratio of SI units to CGS units of 'work'?
Give two examples of work done.
A boy pulls a box up to 10 m with a force of 5 kgf. Calculate the work done by him.
Fill in the boxe to show the corresponding energy transformation.
How much energy is gained by a box of mass 20 kg when a man, runs carrying the box with a speed of 3 m/s-1 to catch the bus?
Why is less effort needed to lift a load over an inclined plane as compared to lifting the load directly?
A car is accelerated on a levelled road and attains a velocity 4 times of its initial velocity. In this process the potential energy of the car
