A motor car is moving with a velocity
of 144km per hour and its takes
5second to stop after the breakes
and applied calculatethe force executs
ey the breakes on the motorcar if it mass along with pasanger is 1000 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
opposing force is denoted by negative sign
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