A block requires an applied force of 20N to begin moving it to the right. What is the maximum static friction? a. Less than 20 N
b. Exactly 20 N
c. Just over 20 N
d. Twice as much as the block's weight

Which of the following characteristics of earth's relationship to the sun explains the existence of earth's seasons? choose all that apply. earth has a satellite called the moon, which rotates around earth. earth spins on its axis, completing one rotation each day. earth's axis always points in the same direction relative to the stars. earth's axis is tilted relative to its orbital plane. earth orbits around the sun, completing one orbit each year.