A small sphere is suspended by a string from the ceiling of a car. If the car beings to move with a constant acceleration a, the inclination of the string to the vertical is:

Options

A. `tan^(-1)(a//g)` in the direction of motion
B. `tan^(-1)(a//g)` opposite to the direction of motion
C. `tan^(-1)(g//a)` in the direction of motion
D. `tan^(-1)(g//a)` opposite to the direction of motion

Answer

B

Explanation

`tan theta=(a)/(g)`