A vehicle is moving with a velocity of 54km/hr. Suddenly brakes are applied and it comes to rest by travelling 1m distance . Find the force acting on a passenger of mass 50 kg sitting in the car.
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pseudo force will be 5.625 kilo newton
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54km/h = 54 * 5/18 m/s = 15m/s
a = (v^2 - u^2) / (2S)
= (0 - 15^2) / (2 *1)
= -112.5 m/s^2
F = ma
= 50 * (-112.5)
= -562.5 N
It is negative because the force is acting in opposite direction of motion of vehicle.
a = (v^2 - u^2) / (2S)
= (0 - 15^2) / (2 *1)
= -112.5 m/s^2
F = ma
= 50 * (-112.5)
= -562.5 N
It is negative because the force is acting in opposite direction of motion of vehicle.
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