Q.

A scooter weighs 120 kg f. Brakes are applied so that wheels stop rolling and start skidding. Find the force of friction if the coefficient of friction is 0.4

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a

48 kg f

b

25 kg f

c

32 kg f

d

60 kg f

answer is B.

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Detailed Solution

W=120kgf

μ=0.4

f=μ×weightofthescooter

=0.4×120=48kgf

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A scooter weighs 120 kg f. Brakes are applied so that wheels stop rolling and start skidding. Find the force of friction if the coefficient of friction is 0.4