Chapter 7

NCERT
Class 9
Science
Solutions
1. When will you say a body is in (i) uniform acceleration? (ii) non-uniform acceleration?

Question:

When will you say a body is in

(i) uniform acceleration?

(ii) non-uniform acceleration?

Answer:

(i) If the rate of change of velocity of a moving object remains the same for a small interval of time, then the acceleration produces in the object is called uniform acceleration.

(ii) If the rate of change of velocity of a moving object varies at different intervals of time, then the acceleration of the object is called the uniform acceleration.

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