30 kg 3) The coefficient of kinetic friction between the inclined surface and crates is 0.15. If F = 35 N, what is the magnitude of the force exerted on the 3.0-kg block by the 2.0-kg block? If the two blocks move up the inclined surface a distance of 4 m, how much work is done by or against gravity? 20 kg 30°

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**Physics Problem: Inclined Plane and Kinetic Friction Analysis**

**Problem Statement:**

The coefficient of kinetic friction between the inclined surface and crates is 0.15. If \( F = 35 \, \text{N} \), what is the magnitude of the force exerted on the 3.0-kg block by the 2.0-kg block? If the two blocks move up the inclined surface a distance of 4 meters, how much work is done by or against gravity?

**Illustration Description:**

The problem includes an illustration showing two blocks on an inclined plane. The inclined plane has an angle of \( 30^\circ \) with the horizontal. The blocks are positioned one behind the other. The block closer to the top of the incline has a mass of 3.0 kg, and the block below it has a mass of 2.0 kg. A force \( F = 35 \, \text{N} \) is applied parallel to the inclined plane, pushing the blocks upward along the plane.

**Visual Explanation:**

1. **Inclination and Masses:**
   - The inclined plane is at a \( 30^\circ \) angle.
   - The blocks are labeled with their respective masses: 3.0 kg for the upper block and 2.0 kg for the lower block.

2. **Applied Force:**
   - The force \( F \) of 35 N is directed upward along the plane.

3. **Friction Coefficient:**
   - The coefficient of kinetic friction between the surface of the inclined plane and the blocks is specified as 0.15.

**Approach to the Solution:**

1. **Determine the Forces Acting on the Blocks:**
   - Analyze the parallel and perpendicular components of the forces acting on the blocks, including gravitational force and frictional force.

2. **Calculate the Net Force and Acceleration:**
   - Use Newton's Second Law to find the net force acting on both blocks and subsequently determine the acceleration of the system.

3. **Find the Force Between the Blocks:**
   - Analyze the interaction forces between the two blocks using the results from the net force calculation.

4. **Calculate Work Done Against Gravity:**
   - Compute the work done by the force \( F \) over the distance of 4 meters and consider the gravitational component along the incline.

By breaking down these steps methodically, students can
Transcribed Image Text:**Physics Problem: Inclined Plane and Kinetic Friction Analysis** **Problem Statement:** The coefficient of kinetic friction between the inclined surface and crates is 0.15. If \( F = 35 \, \text{N} \), what is the magnitude of the force exerted on the 3.0-kg block by the 2.0-kg block? If the two blocks move up the inclined surface a distance of 4 meters, how much work is done by or against gravity? **Illustration Description:** The problem includes an illustration showing two blocks on an inclined plane. The inclined plane has an angle of \( 30^\circ \) with the horizontal. The blocks are positioned one behind the other. The block closer to the top of the incline has a mass of 3.0 kg, and the block below it has a mass of 2.0 kg. A force \( F = 35 \, \text{N} \) is applied parallel to the inclined plane, pushing the blocks upward along the plane. **Visual Explanation:** 1. **Inclination and Masses:** - The inclined plane is at a \( 30^\circ \) angle. - The blocks are labeled with their respective masses: 3.0 kg for the upper block and 2.0 kg for the lower block. 2. **Applied Force:** - The force \( F \) of 35 N is directed upward along the plane. 3. **Friction Coefficient:** - The coefficient of kinetic friction between the surface of the inclined plane and the blocks is specified as 0.15. **Approach to the Solution:** 1. **Determine the Forces Acting on the Blocks:** - Analyze the parallel and perpendicular components of the forces acting on the blocks, including gravitational force and frictional force. 2. **Calculate the Net Force and Acceleration:** - Use Newton's Second Law to find the net force acting on both blocks and subsequently determine the acceleration of the system. 3. **Find the Force Between the Blocks:** - Analyze the interaction forces between the two blocks using the results from the net force calculation. 4. **Calculate Work Done Against Gravity:** - Compute the work done by the force \( F \) over the distance of 4 meters and consider the gravitational component along the incline. By breaking down these steps methodically, students can
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