In which situation is maximum work considered to be done by a force?
The angle between the force and displacement is 180°.
The angle between the force and displacement is 90°.
The angle between the force and displacement is 60°.
The angle between the force and displacement is 45°.
The angle between the force and displacement is 0°.

Question

In which situation is maximum work considered to be done by a force?
The angle between the force and displacement is 180°.
The angle between the force and displacement is 90°.
The angle between the force and displacement is 60°.
The angle between the force and displacement is 45°.
The angle between the force and displacement is 0°.

anonymous · Answer

W=Force [scalar prod.] displacement = Force*displacement*cos(angle)
try to answer it yourself using this definition