Q2 of 24 Page 31

“She moves at a constant speed in a constant direction.”. Rephrase the same sentence in fewer words using concepts related to motion.

Sentence can be rephrased as “She moves at constant velocity.” or you can also write it as “She moves at zero acceleration.” as there is no change in its speed or direction resulting in no change in velocity.


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1

As shown in figure 23, a point traverses the curved path. Draw the displacement vector from given points A to B

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What is the average speed of a Cheetah that sprints 100m in 4sec.? What if it sprints 50m in 2sec?

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

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Suppose that the three ball’s shown in figure start simultaneously from the tops of the hills. Which one reaches the bottom first? Explain. See figure 24.