calculate the work done to take an object of mass 20kg to a height of 10m. ( g=9.8 m/s²)
Answers
Answered by
3
Answer:
mgh=20×10×9.8=1960 is the answer to the question
Answered by
8
Answer:
Work is - 1960 J.
Step-by-step explanation:
m = 20 kg
s = 10 m
g = 9.8 m/s²
F = m g
=> F = 20 * (-9.8)
=> F = - 196 N
W = F * s
=> W = (-196) * 10
=> W = - 1960 J
Here, negative sign is because direction of force and direction of displacement are opposite. So work is negative.
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