Q1 of 58 Page 38

Choose the correct statement

Action and reaction act on different bodies. For example when we push a wall with our hand, the reaction of the wall is on our hand whereas action done by us is on the wall.

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1

In a 100 m race, the winner takes 10s to reach the finishing point. The average speed of the winner is ___________ ms-1

 2

Force involved in uniform circular motion is given by __________

 1

A motorcycle travelling at 20ms-1 has an acceleration of 4ms-2. What does it explains about the velocity of the motorcycle.

 2

Complete of following sentences

a. The acceleration of the body that moves with a uniform velocity will be ________


b. A train travels from A to station B with a velocity of 100 km/h and returns from station B to station A with a velocity of 80km/h. Its average velocity during the whole journey in ______________ and its average speed is ____________