Question

4. Identify the statement(s) which is/are incorrect

(i) A particle accelerates when its speed increases

(ii) A particle accelerates when its speed decreases or increases

(iii) A particle accelerates when it changes its direction of motion

(iv) A particle does not accelerates when its speed remains constant

(a) IV only (b) I and II only (c) II and III only (d) I and III only​

Answer 1

Answer:

c 1 and 3 only

Explanation:

becoz acceleration does not depend upon direction of motion

Answer 2

Answer:

4 is the anser a particular does not accelerayes when its speed remains constant