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

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Explanation

Correct Option
d

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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

Tofire
3 years ago

it is suppose to be mgh

s.samuel
3 years ago

W = Mgh
Final

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

Anela
1 year ago

JAMB's a Jerk

Zii
5 months ago

take note if the word "held", it means, no work is done. That's zero

Ar1ana
4 months ago

explanation please

Abby90
1 year ago

The answer is very correct
Cos no work was done
So W = 0(zero)

MedicASH
2 months ago

Truly, Jamb is an enemy.

Omo_bo_lan_le
1 year ago

wrong answer

agadido
3 years ago

i need explanations

agadido
3 years ago

MAKE UNA TALK SOMETHING LIKE HUMAN BEINGS

agadido
3 years ago

Abeg someone shud explain

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