What is the ideal mechanical advantage of a machine that changes only the direction of the input force?

Discuss gravitational force and strong nuclear force. Describe at least two ways that they are alike and two ways that they are different.

In a charge-free region of space, a closed container is placed in an electric field. Which of the following is a requirement for the total electric flux through the surface of the container to be zero? (hw 2a. 6) A.

A cheetah runs 900 meters in 30 seconds. how fast is it going?

When viewed from Earth, Mars appears to change colors. This most likely happens because A. gases in the dense Martian atmosphere are constantly changing. B. volcanic activity produces thick gas clouds. C.

Which statements describe diffraction? Check all that apply. Diffraction occurs when waves interact with a barrier. Diffraction occurs because waves pass into a new medium. Diffraction occurs when waves interact with a gap.

Why is the use of carbon-14 limited

Why do cell sometimes need to use active transport?

Why is carbon and nitrogen important?

Gizmo answer sled wars

3. What is the kinetic energy of a 1300 kg car moving at 26.3 m/s?