Select the correct answer.

An object at rest requires a force of 15 newtons to set it into motion. This force is greater than which force?

OA.

tension

OB. gravity

OC.

friction

D. electromagnetic

E.

strong nuclear force

How are conductors and insulators alike and different?

What does the air of the air capacitor represent in an electrical capacitor? The parallel conducting plates The source of electrical current The insulation between plates The charged plate of a magnetic field

Theo was doing research to support the claim that exercise increases heart and lung health. He had 50 people do a rigorous exercise program. Each week, for six months, he tested their heart and respiratory rate.

A stapler is an example of which simple machine? inclined plane screw lever pulley

Heat can be transferred through conduction, convection, and radiation. What is necessary in order for heat to be transferred by conduction? A. The substances must be liquids or gases. B. The objects must be in direct contact with one another. C.

According to the law of universal gravitation, as mass increases, gravity As distance increases, gravity

You and your friends are doing physics experiments on a frozen pond that serves as a frictionless, horizontal surface. Sofia, with mass 80.0 kg, is given a push and slides eastward. Elena, with mass 55.0 kg, is sent sliding northward.

Which practice fits the definition of conservation? using more of a mineral resource than needed not using a necessary mineral resource at all mining a mineral without regard to the surface soil and vegetation above it recycling cans that contain a

The word family implies that the elements in a family have like properties. What property do the elements of the noble gas family all share?

What is the energy of an object because of its potential and kinetic energies? A.) chemical energy B.) electrical energy C.) nuclear energy D.) mechanical energy