Question

A car is moving with a constant speed of 70 km/h. Which of the following statements should be correct ?

(1) The acceleration of the car is definitely zero.

(2) The car has an acceleration only if it is moving along a curved path

(3) The car may have an acceleration even if it is moving along a straight path

(4) The car may not have an acceleration even if it is moving along a curved path​

Answer 1

Answer: 2nd option. If speed is constant acceleration can occur only if there is change in direction of motion i.e. when particle moves along a curved path

Explanation:

Answer 2

Answer:

the acceleration of car is definitely zero

Explanation:

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