a bicycle moving with a velocity 82 km/h and it takes 5 sec to stop after break applied. calculate the force exerted by the brakes on the bicycle if its mass is 200 kg
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Explanation:
Given,
initial velocity (u) = 82km/h
final velocity (v) = 0km/h
time taken (t) = 5sec
mass (m) = 200kg
To find,force we use newton's law of motion..
force (f) = m×(v-u)/t
f = 200×(0-82)/5
f = 200×82/5
f = 40×82
f = 3280
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