A car moving with a speed of 54km/h comes to rest after 2 second on applying break. If the mass of the car including the passengers is 100kg. what will be the force applied when force applied.
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Explanation:
initial Velocity(u)=54km/h=15m/s
Time=2sec
Final Velocity (v)= 0
Applying v=u+at
a=-27m/s²
Mass(m)=100kg
Force = mass×acceleration
=100×(-27)
=-2700 N
Negative sign indicates acceleration and force opposite to velocity.
Hope it helps
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