158. An object of 5.0 kg is raised through a height of 2.0 m.
The work done in the process is :
(a) 49 J. (b) 10 J (c) 19.6) (d) 98 J
[RRB, 2018]
Answers
Answered by
5
Answer:
Explanation:
given,
mass of the object=5kg
height attained =2m
acceleration due to gravity= (9.8m/s^2)
work done= Fs
work done =mgh (∵ F can also be written as mg)
work done=5*9.8*2
∴work done=98 J
I hope that this will help u...........
Answered by
2
Answer:BY using Potential energy formula mgh= 5kg ×2m ×9.8m/s^2
We get potential energy = 98 joules
Explanation:
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