A man attempts to push his couch to the left. The man is too weak and the couch does not move. Does the man exert a force on the couch? Select one:
a. No because the couch did not move.
b. Not enough information to determine.
c. No because the man did not pull the couch.
d. Yes because the man pushed on the couch while other forces caused the couch to not nove mu

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

The speed of light can be used to measure the

James joule carefully measured the difference in temperature of the water at the top and bottom of a waterfall. why did he expect a difference