Q. 204.2( 17 Votes )

Fill in the following blanks with suitable words:

(a) _______ is a vector quantity whereas ________is a scalar quantity.

(b) The physical quantity which gives both, the ___ and _____ of motion of a body is called its velocity.

(c) A motorcycle has a steady acceleration Of 3 m/s2. This means that every second its ………increases by ………… .

(d) ___________ is the rate of change of displacement. It is measured in m/s.

(e) ____________ is the rate of change of velocity . It is measured in ………………… .

Answer :

a. Displacement, Distance

>Displacement depends on direction but distance does not.

b. speed, direction

>velocity = displacement/ time and is directional

c. speed, 3m/s

> acceleration = speed/time

d. Velocity

> Velocity is directional hence it is displacement/ time

e. Acceleration, m/s2

>a = v/t

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