Q7 of 139 Page 19

What do the following measure in a car?

(a) Speedometer (b) Odometer

(a) speedometer measures instantaneous speed of the car.


(b) odometer is a device used to record the distance travelled by the car.


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5

Give two examples of bodies having non-uniform motion.

 6

Name the physical quantity obtained by dividing ‘Distance travelled’ by ‘Time Taken’ to travel that distance.

 8

Name the physical quantity which gives us an idea of how slow or fast a body is moving.

 9

Under what conditions can a body travel a certain distance and yet its resultant displacement by zero?