GCEPhysicsMotion and Forces2021

a) State Newton's three laws of motion. (3 marks) b) A car of mass 1200 kg is moving along a straight horizontal road at a velocity of 30 m/s. The driver applies the brakes and the car decelerates uniformly, coming to rest in 6 seconds. i) Calculate the deceleration of the car. (2 marks) ii) Calculate the braking force applied to the car. (2 marks) iii) Calculate the distance covered by the car before it comes to rest. (3 marks) c) Explain why a passenger in a car tends to lurch forward when the car suddenly stops. (2 marks)

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