Practice worksheet on Laws of Motion with matching questions and terms, featuring a cartoon amusement park scene at the bottom.
Practice worksheet on Laws of Motion with matching questions and terms, featuring a cartoon amusement park scene at the bottom.
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Step-by-step solution for: Force and Motion
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Show Answer Key & Explanations
Step-by-step solution for: Force and Motion
Let's solve this matching exercise step by step. We are given 18 statements (numbered 1 to 18), and we need to match each with the correct term from the list on the right. Each term can be used twice, as stated.
- A. force
- B. friction
- C. Isaac Newton
- D. motion
- E. Newton’s 1st Law
- F. Newton’s 2nd Law
- G. Newton’s 3rd Law
- H. Position
- I. speed
---
Now, let’s go through each statement one by one and determine the best match.
---
1) Famous mathematician responsible for Laws of Motion.
→ This is clearly Isaac Newton.
✔ Match: C
---
2) Law: Force acting on an object will change its velocity...
This describes Newton’s 2nd Law: *F = ma* — a net force causes acceleration (change in velocity).
✔ Match: F
---
3) It is how fast an object or person moves.
This is the definition of speed.
✔ Match: I
---
4) Law: For every force/action, opposite and equal force/action.
This is Newton’s 3rd Law.
✔ Match: G
---
5) Push or pull of an object.
This is the definition of force.
✔ Match: A
---
6) Place where a person or object is located.
This refers to position.
✔ Match: H
---
7) Movement from one place to another.
This is motion.
✔ Match: D
---
8) Force acts on another force to slow or stop it.
This describes friction, which opposes motion.
✔ Match: B
---
9) Example of this law is a tow truck pulling a car.
A tow truck pulling a car involves applying a force to change the car’s motion — this illustrates Newton’s 2nd Law (force causing acceleration).
✔ Match: F
---
10) The football player kicking the football is this law in action.
When you kick a ball, your foot exerts a force on the ball, and the ball exerts an equal and opposite force on your foot — this is Newton’s 3rd Law.
✔ Match: G
---
11) This is needed to get something to move.
To start motion, you need a force.
✔ Match: A
---
12) A body in motion/at rest, stays that way unless acted on...
This is Newton’s 1st Law (Law of Inertia).
✔ Match: E
---
13) Can occur up and down, right to left, in circle, or zig-zags.
This describes motion — movement in any direction.
✔ Match: D
---
14) He saw an apple fall from a tree, thought about the Moon/planets.
This is a famous anecdote about Isaac Newton discovering gravity.
✔ Match: C
---
15) In the air or on the ground are examples of this.
This refers to position — where something is located (in air or on ground).
✔ Match: H
---
16) This can be fast, slow, or in between.
This is describing speed — a measure of how fast something moves.
✔ Match: I
---
17) This will cause movement to become more difficult.
Friction resists motion and makes movement harder.
✔ Match: B
---
18) Law says a roller coaster ride will force your body against the seat.
When a roller coaster accelerates or turns, your body feels pushed — this is due to inertia, but also involves forces. However, the key idea here is that when the ride changes direction or speed, your body tends to keep moving the same way — this is Newton’s 1st Law in action.
For example, during a sharp turn or sudden stop, you feel pushed — because your body wants to stay in motion.
✔ Match: E
---
| # | Answer |
|---|--------|
| 1 | C (Isaac Newton) |
| 2 | F (Newton’s 2nd Law) |
| 3 | I (speed) |
| 4 | G (Newton’s 3rd Law) |
| 5 | A (force) |
| 6 | H (Position) |
| 7 | D (motion) |
| 8 | B (friction) |
| 9 | F (Newton’s 2nd Law) |
|10 | G (Newton’s 3rd Law) |
|11 | A (force) |
|12 | E (Newton’s 1st Law) |
|13 | D (motion) |
|14 | C (Isaac Newton) |
|15 | H (Position) |
|16 | I (speed) |
|17 | B (friction) |
|18 | E (Newton’s 1st Law) |
---
- A. force → #5, #11
- B. friction → #8, #17
- C. Isaac Newton → #1, #14
- D. motion → #7, #13
- E. Newton’s 1st Law → #12, #18
- F. Newton’s 2nd Law → #2, #9
- G. Newton’s 3rd Law → #4, #10
- H. Position → #6, #15
- I. speed → #3, #16
✔ All terms used exactly twice as required.
---
```
1. C
2. F
3. I
4. G
5. A
6. H
7. D
8. B
9. F
10. G
11. A
12. E
13. D
14. C
15. H
16. I
17. B
18. E
```
Terms Available:
- A. force
- B. friction
- C. Isaac Newton
- D. motion
- E. Newton’s 1st Law
- F. Newton’s 2nd Law
- G. Newton’s 3rd Law
- H. Position
- I. speed
---
Now, let’s go through each statement one by one and determine the best match.
---
1) Famous mathematician responsible for Laws of Motion.
→ This is clearly Isaac Newton.
✔ Match: C
---
2) Law: Force acting on an object will change its velocity...
This describes Newton’s 2nd Law: *F = ma* — a net force causes acceleration (change in velocity).
✔ Match: F
---
3) It is how fast an object or person moves.
This is the definition of speed.
✔ Match: I
---
4) Law: For every force/action, opposite and equal force/action.
This is Newton’s 3rd Law.
✔ Match: G
---
5) Push or pull of an object.
This is the definition of force.
✔ Match: A
---
6) Place where a person or object is located.
This refers to position.
✔ Match: H
---
7) Movement from one place to another.
This is motion.
✔ Match: D
---
8) Force acts on another force to slow or stop it.
This describes friction, which opposes motion.
✔ Match: B
---
9) Example of this law is a tow truck pulling a car.
A tow truck pulling a car involves applying a force to change the car’s motion — this illustrates Newton’s 2nd Law (force causing acceleration).
✔ Match: F
---
10) The football player kicking the football is this law in action.
When you kick a ball, your foot exerts a force on the ball, and the ball exerts an equal and opposite force on your foot — this is Newton’s 3rd Law.
✔ Match: G
---
11) This is needed to get something to move.
To start motion, you need a force.
✔ Match: A
---
12) A body in motion/at rest, stays that way unless acted on...
This is Newton’s 1st Law (Law of Inertia).
✔ Match: E
---
13) Can occur up and down, right to left, in circle, or zig-zags.
This describes motion — movement in any direction.
✔ Match: D
---
14) He saw an apple fall from a tree, thought about the Moon/planets.
This is a famous anecdote about Isaac Newton discovering gravity.
✔ Match: C
---
15) In the air or on the ground are examples of this.
This refers to position — where something is located (in air or on ground).
✔ Match: H
---
16) This can be fast, slow, or in between.
This is describing speed — a measure of how fast something moves.
✔ Match: I
---
17) This will cause movement to become more difficult.
Friction resists motion and makes movement harder.
✔ Match: B
---
18) Law says a roller coaster ride will force your body against the seat.
When a roller coaster accelerates or turns, your body feels pushed — this is due to inertia, but also involves forces. However, the key idea here is that when the ride changes direction or speed, your body tends to keep moving the same way — this is Newton’s 1st Law in action.
For example, during a sharp turn or sudden stop, you feel pushed — because your body wants to stay in motion.
✔ Match: E
---
Final Matching:
| # | Answer |
|---|--------|
| 1 | C (Isaac Newton) |
| 2 | F (Newton’s 2nd Law) |
| 3 | I (speed) |
| 4 | G (Newton’s 3rd Law) |
| 5 | A (force) |
| 6 | H (Position) |
| 7 | D (motion) |
| 8 | B (friction) |
| 9 | F (Newton’s 2nd Law) |
|10 | G (Newton’s 3rd Law) |
|11 | A (force) |
|12 | E (Newton’s 1st Law) |
|13 | D (motion) |
|14 | C (Isaac Newton) |
|15 | H (Position) |
|16 | I (speed) |
|17 | B (friction) |
|18 | E (Newton’s 1st Law) |
---
Summary of Term Usage (Each used twice):
- A. force → #5, #11
- B. friction → #8, #17
- C. Isaac Newton → #1, #14
- D. motion → #7, #13
- E. Newton’s 1st Law → #12, #18
- F. Newton’s 2nd Law → #2, #9
- G. Newton’s 3rd Law → #4, #10
- H. Position → #6, #15
- I. speed → #3, #16
✔ All terms used exactly twice as required.
---
Final Answer Key:
```
1. C
2. F
3. I
4. G
5. A
6. H
7. D
8. B
9. F
10. G
11. A
12. E
13. D
14. C
15. H
16. I
17. B
18. E
```
Parent Tip: Review the logic above to help your child master the concept of force and motion worksheet 8th grade.