The use of oil or grease to lessen friction is called

During circular motion, the force that is perpendicular to the velocity and toward the center of the circle is the ... ?

Predict: if you look closely at some stars in the night sky, you can see slight differences in their color. Some stars look reddish. Others appear orange, white, or blue.

Why are force fields necessary to describe gravity? A. gravity can only push objects apart B. gravity is a type of air resistances C. gravity acts between any two objects with charges D. gravity is a non-contact force

What are three characteristics a koala probably inherited from its parent

A light body A and heavy body b have equal momentum then kinetic energy is equal to b or less than b or greater than b or zer0

What is the momentum of a 0.145 kg baseball traveling at 40.0 m/s

To analyze the motion of a body that is traveling along a curved path, to determine the body's acceleration, velocity, and position. A motorcyclist travels around a curved path that has a radius of 250 ft.

You walk with a velocity of 2 m/s north. You see a man approaching you, and from your frame of reference he has a speed of 3 m/s to the south.

Imagine you are holding an apple. Does this apple have energy? how do you know?

Explain how inertia and the shape of a loop counteract the force of gravity to keep riders from falling out when a roller coaster goes through a loop traveling upside down