A motor car moving with a velocity at 108 km/hr and it takes 4 sec to stop after the
breaks are applied. Calculate the force exerted by the break on the motor car if its
mass along with the passenger is 100 kg.
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Answer:Force=mass*acceleration
f=m×
t
v−u
f=1000×
4
0−108×
18
5
=1000×(−7.5)
∴f=−7500N
Explanation:
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