Need help ASAP PLZZZ A mover pushes a 65 kg crate up a ramp and onto a van. The mover exerts a
force of 484 N over a distance of 2.8 m. The final height of the crate when it is
on the van is 1.4 m relative to the ground. With what efficiency is the work
done by the mover converted into gravitational potential energy?

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i just did this and got a 100.

a. spokes of a wheel.

as indicated in the question radial contains rad, also found in radius, so the fracture's would span the radius.