A device that makes work easier by changing the size or direction of a force is called what?

Name a 3D shape with rectangular faces only?

The crossbar of a goal post on a professional American football field sits at a height of 3.05 meters (10 feet) above the field. A football is placed on the ground at midfield so that it is 54.

What information could you use to determine the atomic number of an unknown element that has a mass number of 22?

Endorphins are released through the pituitary gland? Question 2 options: True False

How long would it take to travel one light year?

A piece of plastic tape coated with iron oxide is magnet - ized more in some parts than in others. When the tape is moved past a small coil of wire, what happens in the coil? What is a practical application of this?

As earths plates move apart at some boundaries, they collide at others, forming

Potential energy that depends on height is called a. kinetic energy. b. gravitational potential energy. c. elastic potential energy. d. mechanical energy.

A steel railroad track has a length of 40 m when the temperature is - 5 ◦C. What is the increase in the length of the rail on a hot day when the temperature is 35 ◦C? The linear expansion coefficient of steel is 11 * 10-6 (◦C) - 1.

The seasons of the Year result from Earth's movement or ___ around the Sun