Advertisements
Advertisements
प्रश्न
What is the work when a load of 500 kg is lifted vertically by 5 m? Given, g = 10 ms-2. Express your answer in kilo joule.
संख्यात्मक
Advertisements
उत्तर
Given, loadm = 500kg; height h = 5m; g = 10ms²
W = mgh = 500 x 10 x 5 = 25000 J = 25kJ
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
A force acts on a body and displaces it by a distance S in a direction at an angle θ with the direction of the force. What should be the value of θ to get the maximum positive work?
The S.I. unit of energy is .............
The S.I. unit of work is
How is work related to energy?
Nm is the unit of .......
What is the work done when the object acted upon by a force remains at rest?
Give an example of a body possessing no K.E.
How is energy stored in a clock?
List any six forms of energy and write a short note on each of them.
Give an example
Light energy changes to electrical energy.
