Calculating Net Force

Calculating Net Force

8th Grade

25 Qs

quiz-placeholder

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Calculating Net Force

Calculating Net Force

Assessment

Quiz

Science

8th Grade

Practice Problem

Medium

NGSS.MS-PS2-2, CCSS.HSN.VM.A.3, NGSS.3-PS2-1

+8

Standards-aligned

Created by

Elizabeth Gonzalez

Used 1K+ times

FREE Resource

About this resource

This quiz focuses on the fundamental physics concept of net force, specifically targeting 8th grade physical science students. The questions systematically build understanding of how multiple forces acting on an object combine to produce a single resultant force. Students must master vector addition and subtraction, recognizing that forces in the same direction are added together while opposing forces are subtracted to find the net force. The core concepts include understanding force as a push or pull measured in Newtons, distinguishing between balanced forces (net force equals zero, object remains at rest or constant velocity) and unbalanced forces (non-zero net force causes acceleration), and applying directional analysis to predict object movement. Students need strong computational skills to perform calculations with forces ranging from simple whole numbers to decimals, while simultaneously considering both magnitude and direction in their solutions. Created by Elizabeth Gonzalez, a Science teacher in US who teaches grade 8. This comprehensive assessment serves multiple instructional purposes throughout the force and motion unit, from initial concept introduction through summative evaluation. The quiz works excellently as a formative assessment tool, allowing teachers to identify misconceptions about force calculations and directional analysis before they become entrenched. It functions effectively as homework practice, giving students repeated opportunities to apply net force calculations in varied contexts from tug-of-war scenarios to abstract force diagrams. Teachers can use individual questions as warm-up problems or exit tickets, while the complete quiz serves as solid review material before unit tests. This assessment directly supports NGSS standard MS-PS2-2, which requires students to plan investigations of balanced and unbalanced forces, and aligns with Common Core mathematical practices involving problem-solving and mathematical reasoning in scientific contexts.

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Calculate the net force of the object in the image shown.

20N
35N
5N
25N

Tags

CCSS.HSN.VM.A.3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Is this a balanced or unbalance force?

Balanced
Unbalanced
Neither one
Both

Tags

NGSS.MS-PS2-2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Which direction will the object move?

Up
Down
Right
Left

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Calculate the net force of the object.

10N
2N
15N
5N

Tags

CCSS.HSN.VM.A.3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Is this a balanced or unbalanced force?

Balanced
Unbalanced
Neither
Both

Tags

CCSS.7.NS.A.1A

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Students are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?

The ribbon will move to the left and group A will win the tug-of-war.
The ribbon will move to the left and group B will win the tug-of-war.
The ribbon will move to the right and group B will win the tug-of-war.
The ribbon will move to the right and group A will win the tug-of-war.

Tags

CCSS.HSN.VM.A.3

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Student A is pushing at 63 newtons, and student B is pushing at 56 newtons. What is the net force (calculation).

119 N Right

7

7 N Right

119

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

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