Questions
A motor cycle comes to a skidding stop in 5m.If force applied by the road on the motor cycle is 500N.
Calculate the
(i) work done by the road on the motor cycle
(ii) work done by the motor cycle on the road
detailed solution
Correct option is D
(i) work done=W=fScosθ=500×5×cos180∘=−2500J ; here f=friction force; S=displacement; θ=angle between force and displacement (ii) S=0 as road is at rest W=500×0=0Talk to our academic expert!
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