15) If a mass of a body cis 120kg. Height of a
building is 4om. find the work done by the body
it granity is 10 m/sec.
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Answer:
work is 4800 joules /4.8 joules
Explanation:
w=FORCE INTO DISPLACEMENT
f=mass * ACCELERATE
f is 120 * 10 is 1200 newton
then work is 1200 * 4
ANS
WORK IS 4800 JOULES
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