Structuring an Effective Argument

Question 1

Jill is pushing a box across the floor. Which represents the upward force perpendicular to the floor?

Revolt · Accepted Answer

FN

Question 2

Emmett is lifting a box vertically. Which forces are necessary for calculating the total force?

Revolt · Accepted Answer

Fp and Fg

Question 3

Which best explains parallel forces?

Revolt · Accepted Answer

left and right forces that can be added together

Question 4

Diego is trying to lift a piano to the second floor of his house. Diego uses a pulley system and gives a big lift to the piano.The piano moves upward, then stops, and then it starts to fall to the ground. (The direction of the force of gravity is negative.)

Revolt · Accepted Answer

positive force → balanced force → negative force

Question 5

Which force best represents Fg?

Revolt · Accepted Answer

The weight of a barbell acting on a weight lifter is 80 N.

Question 6

Which is the best example of forces acting in the same direction?

Revolt · Accepted Answer

two football players pushing a tackling sled

Question 7

An object is moving across a surface, but it does not gain or lose speed. Which best describes the object’s force?

Revolt · Accepted Answer

The net force is zero.

Question 8

Jasper and Gemma are going to play on a teeter totter. Gemma gets on first. When Jasper gets on, Gemma moves into the air, but she does not move to the top.

Revolt · Accepted Answer

The forces are balanced because Jasper weighs the same as Gemma.

Question 9

Haley is trying to pull an object upward. The below forces are acting on the object.Fp= 5500 NFg= 6000 N

Revolt · Accepted Answer

↓ 500 N

Question 10

Which best describes two counteracting forces on an object?

Revolt · Accepted Answer

two children pulling apart a wishbone

Structuring an Effective Argument Answers

More from this Course

TRY EDGENUITY HACKS