AskIITianExpert Srijan.iitd
Last Activity: 15 Years ago
the answers are b c d
a is incorrect because an accelerated particle may have zero velocity at some point of time like a stone thrown up have zero velocity at highest point despite being constantly accelerated.
b is correct because it s possible that a particle dont experience any force and stay at rest.
c is correct because without any acceleration speed of any particle canot change.
d is correct because there is no change in speed or velocity so there was no acc.