1.

A car is travelling in the north direction. To stop, it produces a deceleration of 60 m/s^2. Which of the following is a correct representation for the deceleration?(a) 60 m/s^2 Northwards(b) 60 m/s^2 Southwards(c) 60 m/s^2 Eastwards(d) 60 m/s^2 WestwardsI have been asked this question in examination.The origin of the question is Motion in a Straight Line topic in portion Motion in a Straight Line of Physics – Class 11

Answer»

Right OPTION is (c) 60 m/s^2 Eastwards

The best explanation: Deceleration ALWAYS acts in the direction opposite to the direction of MOTION. MAGNITUDE of deceleration is 60 m/s^2 and it acts in the direction opposite to North. Hence the ANSWER is 60 m/s^2 Southwards.



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