Question

A body moves in a curved path in a plane as shown in
figure. The direction of acceleration vector may be
-->V
аз

a2

a1​

Answer 1

Correct Question:

A body moves in a curved path in a plane as shown in figure. The direction of acceleration vector may be .

• a1
• a2
• a3
• All of these

Solution:

There are three possibilities !

Case 1:

• If the body experiences tangential acceleration along with centripetal acceleration, the net vector addition will give $\vec{a}_{1}$.

Case 2:

• If body doesn't have any tangential acceleration, only has centripetal acceleration, then net acceleration vector will be $\vec{a}_{2}$.

Case 3:

• If body experiences tangential retardation along with centripetal acceleration, the net vector will $\vec{a}_{3}$.

Now, see the attached diagram for more clarity.