a cyclist stops the cycle by applying brakes in 10m. during the process the force on the cycle due to the road is 200N. how much work does the road do on the cycle?
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work done by the road on the cycle is the work done by the frictional force on the cycle due to the road.
f=200N,
θ=180
s=10m
w=fscosθ
=200 x 10 x cos 180
= -1000J
since no displacement of road takes place.
work done by the cycle on the road is zero for work done by cycle on road and vice versa are not equal .
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Answered by
1
Answer:
-2000 J
Step-by-step explanation:
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