calculate the work done by a person in lifting a load of 20 kg from the ground and placing it 1 m high on a table?
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Answered by
8
work done=mgh
mass=20kg
height =1m
g=10
.
. .work done =mgh
=20*10*1
=200N
mass=20kg
height =1m
g=10
.
. .work done =mgh
=20*10*1
=200N
ABHINAV1473:
here in my text book g=9.8M/S^2 BUT NO ISSUES
THANK U
u can take both the values of g.i.e,either 10 or 9.8.it doesn't matter
Answered by
4
w.d. = mgh
m=20 kg
g=9.8
h=1 m
w.d. = 20*9.8*1
= 20*9.8
w.d.=196 J
m=20 kg
g=9.8
h=1 m
w.d. = 20*9.8*1
= 20*9.8
w.d.=196 J
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