Acceleration of an Object Hanging from a Rope on a Moving Boxcar

[allora_97]

acceleration question!

Homework Statement

A 4.9 kg object hangs at one end of a rope that
is attached to a support on a railroad boxcar.
When the car accelerates to the right, the
rope makes an angle of 25◦ with the vertical
The acceleration of gravity is 9.8 m/s2 .
look at the picture

Homework Equations

F=ma

The Attempt at a Solution

I used the formula to find F of the object, but I am not sure how to use the angle given to find acceleration

 

[ehild]

Show your work. What forces act on the object? What is the direction of the resultant force? ehild