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Home / Doubts and Solutions/KARNATAKA/Class 8/Science

WRITE THE QUANTIES ON WHICH :
 
1.  THE AMMOUNT OF WORK DONE DEPENDS
 
2.   THE POWER OF A BODY DEPENDS
 
3.    KINECTIC ENERGY AND POTENCIAL ENERGY OF AN OBJECTS DEPENDS.

Asked by Sushma 12th November 2017, 1:27 PM
Answered by Expert
Answer:
1.) work done depends on the force applied and displacement produced (work = force x displacement)
2.) Power of a body depends on how fast work is done i.e. it depends on the quantity of work done in a particular time (power = work/time)
3.) K.E depends on the mass and velocity of the body  (K.E = (1/2)x mass x velocity2 )and P.E. depends on the mass, acceleration due to gravity and height of the object above the surface of earth or any other planet (P.E. = mass x acceleration due to gravity x height)
Answered by Expert 6th December 2017, 4:06 PM
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