A worker push a 25 kg crate 1.5 m up a 25 degree incline exerting a force P of 200 N
parallel to the incline. The incline exerts a frictional force of 96 N on the crate. a) Find
the work done by the worker, b) friction and c) by gravity. Find the net Work done on the
crate.

Protons and neutrons are found within the nucleus of an atom

Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j

In addition to gravity, what is the other predominant force that affects the motion of a pendulum?