A wheel on an axle or shaft that is designed to

support movement and change of direction of a

taut cable or belt, or transfer of power between

the shaft and cable or belt.

What is power measured in

Which layers of the earth are considered liquid a) crust b) inner corec) outer core d) lower mantle

People remember most dreams that they experience

Which example has only potential energy and no kinetic energy? Select one: a. a roller coaster zooming down a hill b. a child riding their bike c. a bird flying from a tree d. a ball sitting on a shelf

An element's atomic number is 48. How many electrons would an atom of this element have?

For each of the following, describe the relationship as directly or inversely proportional: a) wavelength vs. frequency b) wavelength vs. energy c) frequency vs. energy ... ?

Can hand sanitizer be used as rubbing alcohol

Two objects experience a 12 N electrical force between them. What force will the objects experience if the distance between them is doubled?

a submarine moving directly upward in the water at constant speed. The weight of the summer and it is 500,000 N. The submarines motors are off. The magnitude of the buoyant force acting on the submarine is

If the car went 30 km west in 25 min. and then 40 km east in 35 min., what would be its total displacement?