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The image shows a table titled "Friction data," which asks for various physical quantities related to objects like mass, force of gravity, normal force, kinetic friction force, and static friction force.

To complete the table, you'll need the following steps:

### 1. **Calculate Force of Gravity (Fg)**
   The force of gravity for an object is given by:
   \[
   F_g = m \cdot g
   \]
   where \(m\) is the mass of the object (in kilograms), and \(g\) is the acceleration due to gravity (approximately \(9.8 \, \text{m/s}^2\)).

### 2. **Normal Force (N)**
   In this situation, the normal force cancels out gravity, so:
   \[
   N = F_g
   \]
   Therefore, the normal force is equal in magnitude to the force of gravity, but opposite in direction.

### 3. **Kinetic Friction Force**
   The kinetic friction force can be calculated using:
   \[
   F_{\text{kinetic}} = \mu_k \cdot N
   \]
   where \(\mu_k\) is the coefficient of kinetic friction (which needs to be provided in the problem), and \(N\) is the normal force.

### 4. **Static Friction Force**
   Similarly, the static friction force is given by:
   \[
   F_{\text{static}} = \mu_s \cdot N
   \]
   where \(\mu_s\) is the coefficient of static friction.

For each object in the table, you would need:
- **Mass (kg)**: provided in the problem (or measured).
- **Coefficients of friction** (\(\mu_k\) and \(\mu_s\)) to calculate the friction forces.

Once you have the mass of each object, you can follow these steps to fill in the table.

Let me know if you have any mass or friction data, and I can help you compute the values!

Would you like more details on any of the calculations? Here's a few related questions to help you dive deeper:

1. What is the mass of each object listed in the table?
2. Do you know the coefficients of kinetic and static friction for each object?
3. How does the normal force vary in different situations (e.g., inclined surfaces)?
4. Can static friction ever exceed kinetic friction for an object?
5. Why does static friction have a maximum value while kinetic friction stays constant?

### Tip:
In real-world applications, always measure friction coefficients experimentally since they depend on both the surfaces in contact and environmental conditions.

How to calculate and fill out the friction data table based on the mass, force of gravity, normal force, and frictional forces?

Learn how to calculate the force of gravity, normal force, kinetic friction, and static friction for various objects based on mass and coefficients of friction. Follow step-by-step instructions to fill out a friction data table for students in Grades 9-12.

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