Question

7. What is the shape of the path of a body when it is in uniform motion ?
8. Define velocity.
9. Is velocity a scalar or a vector quantity ?
1. Give one example of retardation.
LA​

Answer 1

Answer:

7.In uniform motion, the object moves along a straight path i.e. the path of object is a straight line.

8.the speed at which something moves in a particular direction

9.velocity is a vector quantity – it is the speed of an object in a particular direction.

1.When the velocity of a body decreases, its acceleration is negative. Negative acceleration is called 'retardation' or 'deceleration'. For example, when a stone is thrown upwards, it is under retardation. Similarly, when a bus approaches a bus-stop, its motion gets retarded.

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