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12.31 Identify Forces and Interactions Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Physics Science worksheet provides structured practice on 12.31 Identify Forces and Interactions. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Identify Forces and Interactions: Select all relevant contact and field forces acting on an object in a physical scenario. Aligned to NGSS, CCSS Literacy and Mathematics, AP Physics, and selected state frameworks 12.31 - Identify Forces and Interactions: NGSS HS-PS2-1, HS-PS2-3, HS-PS2-4; CCSS HSN-Q.A, HSA-CED.A, HSG-MG; AP Physics 1 Unit 2; AP Physics C: Mechanics dynamics enrichment; TX TEKS Physics §112.45(c) forces; FL SC.912.P.12.3, SC.912.P.12.4; VA PH.3; MA/CA/NY HS-PS2.

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 12.31 Identify Forces and Interactions skill assessments:

Problem 1Difficulty: Mastery

A puck moves in a horizontal circle on a frictionless table while tied to a central post. The string breaks. Immediately after the break, which list includes all and only the forces acting on the puck?

AWeight, normal force, and tension

BWeight, normal force, and centripetal force

CWeight and normal force

DWeight, normal force, and force of motion

Solution & Explanation:Immediately after the string breaks, it no longer pulls on the puck. On a frictionless horizontal table, only gravity and the normal force remain.

Problem 2Difficulty: Mastery

The diagram shows a block suspended at rest from a slanted rope while a second horizontal rope pulls it to the side. Which list includes all and only the forces acting on the block?

AWeight and one combined tension only

BWeight, tension in the slanted rope, and tension in the horizontal rope

CTension in the slanted rope and tension in the horizontal rope only

DWeight, two tensions, and normal force

Solution & Explanation:Each rope exerts a separate tension on the block, and Earth exerts weight. The block is not touching a surface.

Problem 3Difficulty: Mastery

A swimmer pushes off a pool wall and then glides underwater after losing contact with the wall. Which list includes the main forces acting on the swimmer during the glide?

AWeight, buoyant force, water drag, and push from the wall

BWeight, buoyant force, and water drag

CWeight and buoyant force only

DBuoyant force, water drag, and force of motion

Solution & Explanation:After contact ends, the wall no longer pushes the swimmer. Underwater, the swimmer has weight, buoyancy, and drag from the water.

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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 12.31 (NGSS HS-PS2-1, HS-PS2-3, HS-PS2-4; CCSS HSN-Q.A, HSA-CED.A, HSG-MG; AP Physics 1 Unit 2; AP Physics C: Mechanics dynamics enrichment; TX TEKS Physics §112.45(c) forces; FL SC.912.P.12.3, SC.912.P.12.4; VA PH.3; MA/CA/NY HS-PS2.).