Class 9 Physics Mechanics Work And Energy



When a body falls freely towards the earth, then its total energy
(a)
increases
(b)
decreases
(c)
remains constant
(d)
first increases and then decreases
Correct answer: (c) 

Similar topics
mechanical properties of fluids
laws of motion
energy and power
work
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mechanical properties of fluids
laws of motion
energy and power
work
gravitation