Newtons Third Law WK SHT | PDF - Free Printable
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Step-by-step solution for: Newtons Third Law WK SHT | PDF
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Show Answer Key & Explanations
Step-by-step solution for: Newtons Third Law WK SHT | PDF
Let's solve this Newton’s Third Law of Motion Worksheet step by step.
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> For every action, there is an equal and opposite reaction.
This means that whenever one object exerts a force on a second object, the second object exerts a force of equal magnitude but in the opposite direction on the first object.
We need to identify the action and reaction forces for each situation. The key is to reverse the roles of the two interacting objects.
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- Action: The baseball pushes the bat to the left.
- Reaction: The bat pushes the ball to the right.
✔️ This follows Newton’s third law: when the ball hits the bat, the bat pushes back on the ball.
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- Action: Baseball pushes glove to the left.
- Reaction: Glove pushes baseball to the right.
🔹 Explanation: When the baseball hits the glove, it applies a force to the glove (leftward). In response, the glove applies an equal and opposite force on the baseball (rightward), which slows or stops the ball.
✔ Answer:
> Reaction: The glove pushes the baseball to the right.
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- Action: Bowling ball pushes pin to the left.
- Reaction: Pin pushes bowling ball to the right.
🔹 Explanation: As the bowling ball strikes the pin, it pushes the pin leftward. At the same time, the pin exerts an equal and opposite force on the ball, pushing it slightly to the right.
✔ Answer:
> Reaction: The pin pushes the bowling ball to the right.
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- Action: Air particles push the wall of the balloon outward.
- Reaction: The wall of the balloon pushes the air particles inward.
🔹 Explanation: The air molecules inside the balloon are moving and hitting the inner surface of the balloon, pushing it outward. According to Newton’s third law, the balloon wall pushes back on the air molecules with an equal and opposite force — inward.
✔ Answer:
> Reaction: The wall of the balloon pushes the air particles inward.
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| Example | Action | Reaction |
|--------|--------|---------|
|  | The baseball pushes the bat to the left. | The bat pushes the ball to the right. |
|  | Baseball pushes glove to the left. | The glove pushes the baseball to the right. |
|  | Bowling ball pushes pin to the left. | The pin pushes the bowling ball to the right. |
|  | Enclosed air particles push the wall of the balloon outwards. | The wall of the balloon pushes the air particles inward. |
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Newton’s Third Law always involves two objects and two forces:
- One object exerts a force on the other (action).
- The second object exerts an equal and opposite force back (reaction).
Always make sure the forces act on different objects, and they are equal in magnitude and opposite in direction.
Let me know if you'd like this printed or formatted for submission!
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🔍 Newton’s Third Law of Motion:
> For every action, there is an equal and opposite reaction.
This means that whenever one object exerts a force on a second object, the second object exerts a force of equal magnitude but in the opposite direction on the first object.
We need to identify the action and reaction forces for each situation. The key is to reverse the roles of the two interacting objects.
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✔ Example 1 (Already Done)
- Action: The baseball pushes the bat to the left.
- Reaction: The bat pushes the ball to the right.
✔️ This follows Newton’s third law: when the ball hits the bat, the bat pushes back on the ball.
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🟨 Example 2: Baseball pushes glove to the left.
- Action: Baseball pushes glove to the left.
- Reaction: Glove pushes baseball to the right.
🔹 Explanation: When the baseball hits the glove, it applies a force to the glove (leftward). In response, the glove applies an equal and opposite force on the baseball (rightward), which slows or stops the ball.
✔ Answer:
> Reaction: The glove pushes the baseball to the right.
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🟨 Example 3: Bowling ball pushes pin to the left.
- Action: Bowling ball pushes pin to the left.
- Reaction: Pin pushes bowling ball to the right.
🔹 Explanation: As the bowling ball strikes the pin, it pushes the pin leftward. At the same time, the pin exerts an equal and opposite force on the ball, pushing it slightly to the right.
✔ Answer:
> Reaction: The pin pushes the bowling ball to the right.
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🟨 Example 4: Enclosed air particles push the wall of the balloon outwards.
- Action: Air particles push the wall of the balloon outward.
- Reaction: The wall of the balloon pushes the air particles inward.
🔹 Explanation: The air molecules inside the balloon are moving and hitting the inner surface of the balloon, pushing it outward. According to Newton’s third law, the balloon wall pushes back on the air molecules with an equal and opposite force — inward.
✔ Answer:
> Reaction: The wall of the balloon pushes the air particles inward.
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✔ Final Completed Table:
| Example | Action | Reaction |
|--------|--------|---------|
|  | The baseball pushes the bat to the left. | The bat pushes the ball to the right. |
|  | Baseball pushes glove to the left. | The glove pushes the baseball to the right. |
|  | Bowling ball pushes pin to the left. | The pin pushes the bowling ball to the right. |
|  | Enclosed air particles push the wall of the balloon outwards. | The wall of the balloon pushes the air particles inward. |
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✔ Summary:
Newton’s Third Law always involves two objects and two forces:
- One object exerts a force on the other (action).
- The second object exerts an equal and opposite force back (reaction).
Always make sure the forces act on different objects, and they are equal in magnitude and opposite in direction.
Let me know if you'd like this printed or formatted for submission!
Parent Tip: Review the logic above to help your child master the concept of action reaction worksheet.
