Question

26.) A trolley is falling freely on inclined plane as shown in the figure. The angle of string of pendu
trolley is (a) equal to
Joo
(1) 0°
(3)
90°
(2) 90° - 0°
(4) 0°​

Answer 1

Answer:90°

Explanation:

Here is how you can do it other people's explanation is like they confused in themselves

This will help you

Here

Tan α= gcosθ/0 = infinity => α=90°

one gsinθ is because of pseudo force backwards and another gsinθ comes on resolving g of pendulum