Identify two simple machines in this compound machine.

a. screw, lever

b. screw, incline plane

c. double pulley

d. lever, pulley

What is the build up of electrons on a surface

A worker wants to turn over a uniform 1110-N rectangular crate by pulling at 53.0 ∘ on one of its vertical sides (the figure (Figure 1)). The floor is rough enough to prevent the crate from slipping

List materials that are not good conductors of energy

Water changes shape to fill the shape of its container. What is the best explanation for this? A. It's a physical property of water. B. It's a chemical property of water. C. The particles in water have low energy. D.

For which object is the force of gravity greatest: Earth, Moon, or Sun? Why?

What characteristic of a planet determines the acceleration due to gravity on it?

Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity gravity, position velocity, height height, velocity

You are operating a powerboat at night. You see green and white lights on another boat. What should you do?

How does Newton's second law apply to an "Egg Drop" experiment?

A 4.0-n puck is traveling at 3.0 m/s. it strikes an 8.0-n puck, which is stationary. the two pucks stick together. their common final speed is: