Introduction to Forces

Question 1

Select the statements that describe a vector. Check all that apply.Vectors have a size only.Vectors have a size and a direction.Vectors are indicated with arrows.Vectors can have only positive values.Vectors can have positive or negative values.

Revolt · Accepted Answer

Vectors have a size and a direction.; Vectors are indicated with arrows.; Vectors can have positive or negative values.

Question 2

N

Revolt · Accepted Answer

390

Question 3

The net force is pointing to the .

Revolt · Accepted Answer

right

Question 4

Identify the situations that have an unbalanced force. Check all that apply.A baseball speeds up as it falls through the air.A soccer ball is at rest on the ground.An ice skater glides in a straight line at a constant speed.A bumper car hit by another car moves off at an angle.A balloon flies across the room when the air is released.

Revolt · Accepted Answer

A baseball speeds up as it falls through the air.; A bumper car hit by another car moves off at an angle.; A balloon flies across the room when the air is released.

Question 5

The forces acting on the elevator are .

Revolt · Accepted Answer

unbalanced

Question 6

Fg is Fp.

Revolt · Accepted Answer

greater than

Question 7

This means that the elevator will .

Revolt · Accepted Answer

move down

Introduction to Forces Answers

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