question_answer

The velocity of a body in four different situations is shown below.

(a)

(b)

(c)

(d)

  (i) Which of the above graphs represent uniform velocity? (ii) Which one represents uniform acceleration of the body from rest? (iii) Which one represents body (initially not at rest) but moving with uniform acceleration?

Answer:

(i) The first one, as the velocity remain constant w.r.t time. (ii) The second one, as the velocity increases constantly with time. (iii) The third one, as the body has velocity initially and thereafter it increases continuously.