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12.51 Work by Constant Forces Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Physics Science worksheet provides structured practice on 12.51 Work by Constant Forces. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Work by Constant Forces: Determine when work is positive, negative, or zero and calculate work from force, displacement, and angle. Aligned to NGSS, CCSS Literacy and Mathematics, AP Physics, and selected state frameworks 12.51 - Work by Constant Forces: Corresponding standards/alignment: NGSS HS-PS3-1, HS-PS3-2, HS-PS3-3, HS-PS3-5; CCSS HSN-Q.A, HSA-CED.A, HSF-IF, HSS-ID; AP Physics 1 Unit 3; AP Physics C: Mechanics energy enrichment; TX TEKS Physics §112.45(c) energy; FL SC.912.P.10.1, SC.912.P.10.2; VA PH.4; MA/CA/NY HS-PS3.

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

Physics

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 12.51 Work by Constant Forces skill assessments:

Problem 1Difficulty: Mastery

For a constant force, cos(theta) = -0.80, the force magnitude is 50 N, and the displacement magnitude is 4.0 m. What is the work done by the force?

A160 J

B-250 J

C0 J

D-160 J

Solution & Explanation:Substitute into W = Fd cos(theta): W = 50 N x 4.0 m x (-0.80) = -160 J.

Problem 2Difficulty: Mastery

Two routes connect the same starting point and ending point. A constant force acts on the object during both routes. What can be said about the work done by that constant force if the initial and final positions are the same for both routes?

AThe longer route always has more work

BThe route with more turns always has less work

CThe work is the same for both routes

DThe work must be zero for both routes

Solution & Explanation:For a constant force, total work is F dot displacement. If the initial and final positions are the same, the displacement is the same, so the work is the same.

Problem 3Difficulty: Mastery

A 3.0 kg object follows a path that ends 2.0 m lower than it began. Using g = 10 m/s², what work does gravity do on the object?

A-60 J

B60 J

C30 J

D0 J

Solution & Explanation:Gravity is downward and the net vertical displacement is 2.0 m downward. W = mg delta y_down = 3.0 x 10 x 2.0 = 60 J.

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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 Physics Science students. It aligns with educational standard 12.51 (Corresponding standards/alignment: NGSS HS-PS3-1, HS-PS3-2, HS-PS3-3, HS-PS3-5; CCSS HSN-Q.A, HSA-CED.A, HSF-IF, HSS-ID; AP Physics 1 Unit 3; AP Physics C: Mechanics energy enrichment; TX TEKS Physics §112.45(c) energy; FL SC.912.P.10.1, SC.912.P.10.2; VA PH.4; MA/CA/NY HS-PS3.).