Students determine if the forces shown in each illustration are balanced or unbalanced based on whether the objects move.

Problem Explanation:

The worksheet is designed to help students understand the concept of balanced and unbalanced forces.

- Balanced forces: When two or more forces acting on an object are equal in magnitude and opposite in direction, they cancel each other out, and the object does not move.
- Unbalanced forces: When the forces acting on an object are not equal in magnitude or direction, the object will move in the direction of the greater force.

We need to analyze each scenario and determine whether the forces are balanced or unbalanced based on the given descriptions.

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Solution:

#### 1. Ball moves away from the boy
- Description: The ball moves away from the boy.
- Analysis: For the ball to move, there must be a net force acting on it. This indicates that the forces acting on the ball are not balanced (e.g., the boy's kick provides an unbalanced force).
- Answer: Unbalanced

#### 2. Neither the boy nor dog move
- Description: Neither the boy nor the dog moves.
- Analysis: If neither the boy nor the dog is moving, it means the forces pulling them are equal in magnitude and opposite in direction, resulting in no net force. This indicates balanced forces.
- Answer: Balanced

#### 3. The rope moves to the left
- Description: The rope moves to the left.
- Analysis: For the rope to move to the left, there must be a greater force applied to the left side of the rope. This indicates unbalanced forces.
- Answer: Unbalanced

#### 4. The seesaw does not move
- Description: The seesaw does not move.
- Analysis: If the seesaw does not move, it means the forces on both sides of the seesaw are equal in magnitude and opposite in direction, resulting in no net force. This indicates balanced forces.
- Answer: Balanced

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Final Answers:

1. Unbalanced
2. Balanced
3. Unbalanced
4. Balanced

Boxed Answer:
\[
\boxed{\text{Unbalanced, Balanced, Unbalanced, Balanced}}
\]