Respuesta :
The component of force which is parallel to the
path of the motion is 10N * cos25 = 9.06 N
This component is the only "effective" force, and
it is the one doing work.
Work = force * distance
Work = 9.06 N * 30 m
Work = 2.7×10^2 J
The component of force which is parallel to the
path of the motion is 10N * cos25 = 9.06 N
This component is the only "effective" force, and
it is the one doing work.
Work = force * distance
Work = 9.06 N * 30 m
Work = 2.7×10^2 J