Third Grade Force And Motion Worksheets - Free Printable

Problem Description:

The task is to determine whether each machine in the image uses a push or a pull force to get its job done. The goal is to analyze each machine and decide which force (push or pull) is primarily used.

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Solution:

#### 1. Bulldozer
- Function: A bulldozer moves soil, rocks, and other materials by pushing them forward with its blade.
- Force Used: Push

#### 2. Hammer
- Function: A hammer drives nails into wood or other materials by applying a downward force.
- Force Used: Push

#### 3. Crane
- Function: A crane lifts heavy objects by pulling them upward using cables or ropes.
- Force Used: Pull

#### 4. Exercise Machine (Cable Machine)
- Function: This machine works by pulling weights or resistance bands using cables.
- Force Used: Pull

#### 5. Shovel
- Function: A shovel scoops up dirt, sand, or other materials by lifting them upward.
- Force Used: Pull

#### 6. Rake
- Function: A rake gathers leaves or other debris by pulling them together.
- Force Used: Pull

#### 7. Lawn Mower
- Function: A lawn mower cuts grass by pushing it forward as it moves.
- Force Used: Push

#### 8. Bicycle
- Function: A bicycle moves forward by pushing against the ground through the wheels.
- Force Used: Push

#### 9. Wagon
- Function: A wagon is pulled by a person or animal to transport goods.
- Force Used: Pull

#### 10. Train
- Function: A train moves forward by pushing against the tracks with its wheels.
- Force Used: Push

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Final Answer:

```
Bulldozer: Push
Hammer: Push
Crane: Pull
Exercise Machine: Pull
Shovel: Pull
Rake: Pull
Lawn Mower: Push
Bicycle: Push
Wagon: Pull
Train: Push
```

Boxed Answer:
\boxed{
\begin{array}{ll}
\text{Bulldozer: Push} & \text{Hammer: Push} \\
\text{Crane: Pull} & \text{Exercise Machine: Pull} \\
\text{Shovel: Pull} & \text{Rake: Pull} \\
\text{Lawn Mower: Push} & \text{Bicycle: Push} \\
\text{Wagon: Pull} & \text{Train: Push} \\
\end{array}
}