PHYSICS · Subjective · CBSE · Physics · Force and Laws of Motion · Force and Laws of Motion
Problem
A car travelling at 20ms−1 comes to rest uniformly in 4s.
(i) Calculate the magnitude of its deceleration.
(ii) If a passenger has a mass of 60kg, determine the approximate force that the seat belt must exert on the passenger to bring him to rest with the car (neglect all other forces).