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Grade 11 Newton's Second Law (F = ma) Worksheet with Answers

Grade 11 (US) · Year 12 (UK) · Class 11 (India) · Physics

Unit 1: Motion & ForcesNewton's LawsNGSS HS-PS2-1

Using F = ma to find force, mass or acceleration, including net force. This free high school worksheet has 16 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Newton's Second Law (F = ma)

Grade 11 · Physics

Score___ / 16

Name

Class

Date

Learning goal: Newton's Laws · NGSS HS-PS2-1

Directions: This worksheet has 2 parts. Read the instructions at the start of each part.

Example

What force is needed to accelerate a 25 kg object at 2 m/s²?

Answer: 50 N

Part A

Label the diagram. Use the words in the box.

Word bank

applied forcefrictiongravitynormal force
1234
  1. 1
  2. 2
  3. 3
  4. 4
Part B

Answer each question. Use full sentences where you can.

  1. 5

    A net force of 16 N gives an object an acceleration of 8 m/s². What is its mass?

    m = ?F = 16 Na = 8 m/s²
  2. 6

    A net force of 60 N gives an object an acceleration of 4 m/s². What is its mass?

    m = ?F = 60 Na = 4 m/s²
  3. 7

    A net force of 46 N acts on a 46 kg object. What is its acceleration?

    46 kgF = 46 Na = ?
  4. 8

    A net force of 135 N gives an object an acceleration of 5 m/s². What is its mass?

    m = ?F = 135 Na = 5 m/s²
  5. 9

    A net force of 304 N gives an object an acceleration of 8 m/s². What is its mass?

    m = ?F = 304 Na = 8 m/s²
  6. 10

    A net force of 184 N gives an object an acceleration of 4 m/s². What is its mass?

    m = ?F = 184 Na = 4 m/s²
  7. 11

    A net force of 160 N gives an object an acceleration of 10 m/s². What is its mass?

    m = ?F = 160 Na = 10 m/s²
  8. 12

    A net force of 87 N acts on a 29 kg object. What is its acceleration?

    29 kgF = 87 Na = ?
  9. 13

    A net force of 290 N acts on a 29 kg object. What is its acceleration?

    29 kgF = 290 Na = ?
  10. 14

    A net force of 85 N acts on a 17 kg object. What is its acceleration?

    17 kgF = 85 Na = ?
  11. 15

    A net force of 160 N acts on a 20 kg object. What is its acceleration?

    20 kgF = 160 Na = ?
  12. 16

    A net force of 35 N gives an object an acceleration of 1 m/s². What is its mass?

    m = ?F = 35 Na = 1 m/s²

★ Challenge corner for fast finishers

Why does your breath make fog on a cold window?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/physics/11/newton_second_law

Answer key (click to show)
  1. 1.applied force
  2. 2.friction
  3. 3.gravity
  4. 4.normal force
  5. 5.2 kg
  6. 6.15 kg
  7. 7.1 m/s²
  8. 8.27 kg
  9. 9.38 kg
  10. 10.46 kg
  11. 11.16 kg
  12. 12.3 m/s²
  13. 13.10 m/s²
  14. 14.5 m/s²
  15. 15.8 m/s²
  16. 16.35 kg
  17. ★water vapor in your breath condenses on the cold glass (challenge corner)

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