A cat that weighs 55 N sits on the top of a cat tree. It is 2 m above a 110 N dog. How does the mass of the animals relate to the force of gravity on
them?
A. The mass of the 55 N cat will be the same as the mass of the 110
N dog after it jumps to the ground.
B. The 55 N cat has less mass than the 110 N dog.
C. The mass of the 55 N cat is greater than the mass of the 110 N
dog.
D. The 55 N cat has the same mass as the 110 N dog when it is in
the cat tree.
SUBMIT

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?