A motor car is moving with a velocity of 90 km per hour and it takes 4 second to stop after the brakes are applied calculate the force exerted by the break on the motor car if the mass along with the passenger is 1000kg
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Speed of car = 90 km/h = 25 m/s Time taken to stop the car = 4s Mass of car along with passenger = 1000 kg Acceleration / retardation = -25 /4 = 6.25 m/ Force = mass * acceleration = 1000 kg * 6.25 m/ = 6250 N. Click to let others know, how helpful is it
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