Question

1. what types of shoes are designed to produce high levels of friction? ( give two examples)

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2.

1. what types of shoes are designed to produce low levels of friction? (give two examples)

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2.

1. to the right draw what you did in the lab and

draw arrows to identify all the acting forces.

1. explain in your own words what is going on in your graph.

Explanation:

For question 4: Shoes with high-friction designs have textured, soft soles to grip surfaces, preventing slips.
For question 5: Shoes with low-friction designs have smooth, hard soles to reduce drag for easy gliding.
For question 6: A typical friction lab setup involves a shoe on a surface (like a ramp or flat table) with a spring scale pulling it. Acting forces include gravitational force downward, normal force upward from the surface, friction force opposing the pull, and tension force from the spring scale pulling the shoe.
For question 7: The graph would show the relationship between the applied pulling force and the friction force; until the shoe starts moving, static friction increases with the pulling force, and once moving, kinetic friction stays at a constant, lower value.

Answer:

4.

1. Hiking boots
2. Soccer cleats

5.

1. Ice skates
2. Bowling shoes

1. (Visual description: Draw a flat horizontal surface, place a shoe on it. Attach a spring scale to the shoe, pulling horizontally to the right. Draw:

• A downward arrow from the center of the shoe labeled "Gravitational force (weight)"
• An upward arrow from the bottom of the shoe labeled "Normal force"
• A leftward arrow from the bottom of the shoe labeled "Friction force"
• A rightward arrow from the shoe's attachment point to the scale labeled "Tension/pulling force")

1. The graph shows that when you start pulling the shoe without moving it, the static friction force gets bigger as you pull harder, matching your pulling force. Once the shoe starts sliding, the friction force becomes smaller and stays the same no matter how hard you pull, this is kinetic friction.