Free Printable WorksheetScienceGrade 6Science CurriculumSCI.6.48

6.48 Balanced versus Unbalanced Forces Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 6 Science worksheet provides structured practice on 6.48 Balanced versus Unbalanced Forces. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Balanced versus Unbalanced Forces - Which comparison best describes balanced versus unbalanced forces? (NGSS MS‑PS2‑2)

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Grade 6

Subject

Science

Domain

Science Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 6.48 Balanced versus Unbalanced Forces skill assessments:

Problem 1Difficulty: Mastery

A student wants to describe balanced vs unbalanced forces using examples. Which option gives one balanced example AND one unbalanced example in the correct order?

ABalanced: a car speeding up; Unbalanced: a book resting on a table

BBalanced: a ball changing direction in a curve; Unbalanced: a car moving straight at constant speed

CBalanced: a skydiver speeding up; Unbalanced: a hockey puck gliding straight at constant speed

DBalanced: a sled moving straight at constant speed; Unbalanced: a bike slowing down to a stop

Solution & Explanation:Constant-speed straight-line motion has net force 0 N (balanced). Slowing down means acceleration opposite motion, requiring a nonzero net force (unbalanced).

Problem 2Difficulty: Mastery

A student examines two free-body diagrams for the SAME object. Diagram A: 20 N right, 5 N left, 15 N left. Diagram B: 10 N right, 10 N left. Which comparison is correct?

ABoth diagrams show unbalanced forces.

BDiagram A is unbalanced; Diagram B is unbalanced.

CDiagram A is balanced; Diagram B is unbalanced.

DBoth diagrams show balanced forces (net force 0 N).

Solution & Explanation:Diagram A: rightward 20 N, leftward 5 + 15 = 20 N, net 0 N. Diagram B: 10 N right and 10 N left also net 0 N. Both are balanced.

Problem 3Difficulty: Mastery

A moving object has balanced forces. Which comparison describes its acceleration and possible motion?

AAcceleration is nonzero; the object must be speeding up.

BAcceleration is zero; the object could be moving at constant speed in a straight line.

CAcceleration is zero; the object must be at rest.

DAcceleration is nonzero; the object must be turning.

Solution & Explanation:Balanced forces mean net force 0 N, so acceleration is 0. With zero acceleration, the object can be at rest or move with constant velocity (straight-line constant speed).

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Frequently Asked Questions

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Grade 6 Science students. It aligns with educational standard SCI.6.48 (Grade 6 science practice and review on balanced versus unbalanced forces.).