AnswersMad 2017 Phy Sci B -33 SSIntroduction to Forces

Animals Part 1 Answers

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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.

A
Vectors have a size only.
B
Vectors have a size and a direction.
C
Vectors are indicated with arrows.
D
Vectors can have only positive values.
E
Vectors can have positive or negative values.
3

This means that the elevator will .

A
not move
B
move up
C
move down
4

What is the main topic of this unit?

A
Weather in Spain
B
Animals
C
Numbers
5

N

A
-90
B
390
C
-510
D
510
6

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.

A
A baseball speeds up as it falls through the air.
B
A soccer ball is at rest on the ground.
C
An ice skater glides in a straight line at a constant speed.
D
A bumper car hit by another car moves off at an angle.
E
A balloon flies across the room when the air is released.
9

Which instance of student activism led to Tinker v. Des Moines?

A
Students hung banners at school to oppose the Vietnam War.
B
Students protested soldiers fighting in the Vietnam War.
C
Students wore black armbands in support of a truce in the Vietnam War.
D
Students staged a school walkout in protest of the Vietnam War.
10

Fg is Fp.

A
greater than
B
less than
C
the same as
12

Which verb form type is highlighted in this unit?

A
Irregular verb forms
B
Past tense -ar verbs
C
Future tense verbs

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