Question

A large box is accelerated up the inclined plane
with an acceleration a, and pendulum is kept
vertical (Somehow by an external agent) as shown
in figure. Now if the pendulum is set free to
oscillate from such position. Then what is the
tension in the string immediately after the
pendulum is set free (mass of bob = m)
(1) mg
(3) (mg + ma,sino)
(2) ma sino
(4) Zero​

Answer 1

Answer:

1 may be 2

Explanation:

If we resolve 2 component then mgcoso nd masino

If o is 90' then

Mgcos90 +mgsin90

=Mg×0+ mg×1

= mg

Not sure about answer....