Pretest

Question 1

Which best illustrates the electromagnetic force in action?

Revolt · Accepted Answer

Image with description A picture of a flashlight laying on a surface turned on and illuminating a point a distance in front of the flashlight.

Question 2

Which best describes the electromagnetic force?

Revolt · Accepted Answer

It is stronger than the gravitational force, with a greater range than the weak nuclear force.

Question 3

Which is the strongest of the four fundamental forces?

Revolt · Accepted Answer

strong nuclear

Question 4

Xiang is comparing the strong nuclear force and the weak nuclear force. Which describes the weak nuclear force only ? Choose two correct answers.

Revolt · Accepted Answer

is stronger than the gravitational force; has a very small range

Question 5

Carbon-14 is a radioactive element that undergoes beta decay. Which force is responsible for allowing carbon-14 to become stable?

Revolt · Accepted Answer

weak nuclear

Question 6

Water molecules are made of slightly positively charged hydrogen atoms and slightly negatively charged oxygen atoms. Which force keeps water molecules stuck to one another?

Revolt · Accepted Answer

electromagnetic

Question 7

Which best illustrates the gravitational force in action?

Revolt · Accepted Answer

Image with description A picture of a baseball being thrown toward a batter at home plate.

Question 8

Which is the weakest of the four fundamental forces?

Revolt · Accepted Answer

gravitational

Question 9

Val is comparing the gravitational force and the electromagnetic force. Which describes the electromagnetic force only ? Choose three correct answers.

Revolt · Accepted Answer

produces light; produces electricity; is repulsive

Pretest Answers

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