Which is a good example of a contact force?

A) Protons in the nucleus of an atom

B) A ball falling down after it's thrown up into the air

C) A satellite orbiting earth

D) A bat hitting a ball

You move a 3N object 15 meters. Find work.

Because you may come in contact with organisms you cannot see, what safety procedure MUST be followed? a. Read over your activity. b. Open the windows of the laboratory. c. Wash your hands thoroughly after completing the activity. d.

A 62.0 kg person jumps from rest off a 11.0 m high tower straight down into the water. Neglect air resistance during the descent. She comes to rest 3.00 m under the surface of the water.

The acceleration due to gravity on the surface of Mercury is 3.71 m/s2. An object with a mass of 8.69 kg has what weight on Mercury? 32.2 N 23.4 N 42.7 N 85.2 N

At a distance of 1.0 A. U., the earth takes 1.0 year to travel around the sun. How far away is a planet that takes 64 years to go around the sun?

A free-falling golf ball strikes the ground and exerts a force on it

What are the main activities involved in studying physics?

What is the energy that moves your arms and legs

A moving object can be in equilibrium. Explain.

If gravity puts a force of 3N an object, how much force would it put on an second object that was twice as heavy