A worker is lifting boxes of identical weight from the ground onto a moving belt. at first it takes him 2 s later in the day it takes him 3 s which statement is correct A) later in the day less work is done in lifting each box.

B) later in the day more work is done in lifting each box

C) later in the day less power Is developed in lifting each box

D) later in the day more power is developed in lifting each box​

A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?

The two required components for a generator

Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.