Q4 of 24 Page 31

Correct your friend who says, “The car rounded the curve at a constant velocity of 70 km/h”.

Correct statement will be: “The car rounded the curve at a constant speed of 70 km/h.”


Explanation:


Because velocity denotes speed (magnitude) with direction. And, we know that in circular motion, the direction changes, as shown below:



So velocity will not remain constant but speed will remain constant.


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