A block is on a surface with is = 0.325. It takes 4.11 N to
break it free from static friction.
How much normal force acts
on the block?
(Unit = N)

Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.

What is the speed of an object at a given moment?

Arrange the images in order to show how lake-effect snow occurs.