Sir, I was rewatching this session and I didn't understand one part. In W=FScostheta, what is theta? Is it the angle between the direction of force and direction of displacement? If it is so, shouldntit be theta equal to 143 rather than 37?
This part is from about 1:44:00 minutes of the recording.
Dear student, In the formula theta is the angle between the force and the displacement vector. You can post the question as well so that we can provide you complete solution. Regards