Was work done on a book that fell from a desk to the floor? If so, what force was involved?

Ships A and B leave the same port. Ship A sails at 20 knots (nautical miles per hour) and ship B sails south at 15 knots. At what rate is the distance between them changing at 2 pm if: a. A and B both leave at noon. b.

Simple machines are designed to increase A) gravity B) friction C) force D) mechanical advantage

A leopard with a mass of 55.00 kg climbs 12.0 m up a tree. What is it's gain in GPE

If the force of gravity changes, what happens to the mass of an object?

What is the value of universal gravitational constant

Why is a block of gold is more dense than a block of iron of equal size?

How much work is required to uniformly accelerate a merry-go-round of mass 1490 kg and a radius of 7.80 m from rest to a rotational rate of 1 revolution per 8.33 s? Model the merry-go-round as a solid cylinder (I = ½ MR2).

What percentage of North American adults may be functioning below their potential due to prolonged exposure to stress

Give a example of frequency which an elephant can hear and a tiger cannot hear include a unit in ansawer

Why do you keep moving forward when you slam on the brakes of your bike?