Gujarati
Hindi
7. MOTION
easy

What do uou understand by the term acceleration ? When is it positive and when is it negative ?

Option A
Option B
Option C
Option D

Solution

$(i)$ Rate of change of velocity is called acceleration.

$(ii)$ Acceleration is taken to be positive if it is in the direction of velocity and negative when it is opposite to the direction of velocity.

Standard 9
Science

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