Multiple Choice
A crate of weight w is being pushed across a horizontal surface by a force directed at an angle of 20° below the horizontal.What is the magnitude of the normal force on the crate?
A) It is less than w.
B) It equals w.
C) It is more than w.
D) None of the above since the coefficient of kinetic friction is not given.
Correct Answer:

Verified
Correct Answer:
Verified
Q78: A sled weighs 325 N.It is held
Q79: As a car goes up a hill,there
Q80: A trapeze artist,with swing,weighs 800 N;he is
Q81: Three identical 6.0-kg cubes are placed on
Q82: A worker pulls a 350-N packing crate
Q84: A boxcar of mass 200 tons at
Q85: A 4 500-N weight is suspended in
Q86: The maximum possible value for the coefficient
Q87: Rita accelerates a 0.50-kg ball from rest
Q88: Hector drives a pickup truck horizontally at