A stone of mass m kg is held h meters above the floor for 50s. The work done in joules over this period is
a
mh
b
mgh
c
\(\frac{mgh}{50}\)
d
O
Explanation
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Discussions (25)

imani200
2 years ago
my school is absolutely correct.... acceleration due to gravity is not distance move remember ..thr stone was held up no motion it didn't fall so acceleration due to gravity doesn't affect it at all for work to be done distance must be cover no distance was cover so it 0 work done 
kudos myschool

Oyale287
2 months ago
remember that work is said to be done when force move a body through certain distance.but here the body was just held in one position






