Let's solve the problem step by step by identifying the
type of friction in each image using the word bank:
static, sliding, fluid, rolling
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🔹 Image 1: Airplane on the runway (taking off or landing)
- The airplane is moving on a surface with wheels.
- The wheels are
rolling along the ground.
-
✔ Rolling friction
> 🟩
Answer: Rolling
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🔹 Image 2: Book on a table
- The book is at rest on the table.
- No motion is happening.
- This represents
static friction because the object is not moving despite possible forces (like gravity).
-
✔ Static friction
> 🟩
Answer: Static
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🔹 Image 3: Person pushing a box with wheels — "It’s easy peasy"
- The box has wheels and moves easily.
- The wheels roll as the box moves.
-
✔ Rolling friction
> 🟩
Answer: Rolling
---
🔹 Image 4: Girl sliding down a slide
- She is moving across the surface of the slide.
- There is direct contact between her and the slide, and she is
sliding.
-
✔ Sliding friction
> 🟩
Answer: Sliding
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🔹 Image 5: Submarine underwater
- The submarine is moving through water.
- Water is a fluid, so this involves resistance from the fluid.
-
✔ Fluid friction
> 🟩
Answer: Fluid
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🔹 Image 6: Car driving on a road
- The car has wheels that roll on the road.
- Motion occurs via
rolling of tires.
-
✔ Rolling friction
> 🟩
Answer: Rolling
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🔹 Image 7: Person pushing a box — two scenarios:
-
If he pushes but it doesn't move: The box resists motion →
Static friction
-
If he pushes and it begins to move: Once motion starts, it becomes
Sliding friction
> 🟩
Answer:
> -
Static (when it doesn’t move)
> -
Sliding (when it starts moving)
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🔹 Image 8: Parachute descending
- The parachute is moving through air.
- Air is a fluid, so the resistance is due to air.
-
✔ Fluid friction
> 🟩
Answer: Fluid
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✔ Final Answers:
| Image | Description | Type of Friction |
|-------|-------------|------------------|
| 1 | Airplane on runway |
Rolling |
| 2 | Book on table |
Static |
| 3 | Box with wheels being pushed easily |
Rolling |
| 4 | Girl on slide |
Sliding |
| 5 | Submarine in water |
Fluid |
| 6 | Car on road |
Rolling |
| 7 | Pushing box – doesn’t move / starts moving |
Static, then
Sliding |
| 8 | Parachute in air |
Fluid |
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📝 Summary:
-
Static friction – prevents motion (object at rest)
-
Sliding friction – when surfaces slide against each other
-
Rolling friction – when objects roll (e.g., wheels)
-
Fluid friction – when an object moves through a fluid (liquid or gas)
✔ These match perfectly with the images!
Parent Tip: Review the logic above to help your child master the concept of friction worksheet pdf.
