As shown in the figure below, we have a square one meter on a side that is free to rotate about an axis perpendicular to the plane of the square, a distance a from one side and a distance b from the other side. (1) Two forces, F, and F are applied to diagonally opposite coners, and act along the sides of the square, first as shown in case (1) and then as shown in case () of the drawing. In each case the net torque produced by the forces is zero. If the magnitude of F, is s times that of E, find the distances a and b that locate the axis. It should be noted that a and b are not drawn to scale. m m

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### Rotational Dynamics Concept – Torque and Equilibrium

As shown in the figure below, we have a square one meter on a side that is free to rotate about an axis perpendicular to the plane of the square, a distance \( a \) from one side and a distance \( b \) from the other side.

**Diagrams:**
1. **Figure (a)**
   - Square with forces \( \vec{F}_1 \) and \( \vec{F}_2 \) applied at diagonally opposite corners.
   - \( \vec{F}_1 \) is directed upwards on the left corner.
   - \( \vec{F}_2 \) is directed downwards on the right corner.

2. **Figure (b)**
   - Square with forces \( \vec{F}_1' \) and \( \vec{F}_2' \) applied at diagonally opposite corners.
   - \( \vec{F}_1' \) is directed upwards on the left corner.
   - \( \vec{F}_2' \) is directed to the right on the right corner.

Both diagrams involve a square viewed in a two-dimensional plane with the forces clearly marked, indicating the direction of forces along the sides of the square. These forces contribute to the rotational torque about the specified axis.

### Mathematical Explanation:
Two forces, \( \vec{F}_1 \) and \( \vec{F}_2 \), are applied to diagonally opposite corners, and act along the sides of the square, first as shown in case (a) and then as shown in case (b) of the drawing. In each case, the net torque produced by the forces is zero. If the magnitude of \( \vec{F}_1 \) is 6 times that of \( \vec{F}_2 \), find the distances \( a \) and \( b \) that locate the axis. It should be noted that \( a \) and \( b \) are not drawn to scale.

#### Calculations:
- Let \( \vec{F}_2 = F \)
- Then \( \vec{F}_1 = 6F \)

**Determine Distances \( a \) and \( b \):**

\[ a = \_ \_ \_ \_ \_ \] m
\[ b = \_ \_ \_ \_ \_ \] m

By solving the respective torque equilibrium
Transcribed Image Text:### Rotational Dynamics Concept – Torque and Equilibrium As shown in the figure below, we have a square one meter on a side that is free to rotate about an axis perpendicular to the plane of the square, a distance \( a \) from one side and a distance \( b \) from the other side. **Diagrams:** 1. **Figure (a)** - Square with forces \( \vec{F}_1 \) and \( \vec{F}_2 \) applied at diagonally opposite corners. - \( \vec{F}_1 \) is directed upwards on the left corner. - \( \vec{F}_2 \) is directed downwards on the right corner. 2. **Figure (b)** - Square with forces \( \vec{F}_1' \) and \( \vec{F}_2' \) applied at diagonally opposite corners. - \( \vec{F}_1' \) is directed upwards on the left corner. - \( \vec{F}_2' \) is directed to the right on the right corner. Both diagrams involve a square viewed in a two-dimensional plane with the forces clearly marked, indicating the direction of forces along the sides of the square. These forces contribute to the rotational torque about the specified axis. ### Mathematical Explanation: Two forces, \( \vec{F}_1 \) and \( \vec{F}_2 \), are applied to diagonally opposite corners, and act along the sides of the square, first as shown in case (a) and then as shown in case (b) of the drawing. In each case, the net torque produced by the forces is zero. If the magnitude of \( \vec{F}_1 \) is 6 times that of \( \vec{F}_2 \), find the distances \( a \) and \( b \) that locate the axis. It should be noted that \( a \) and \( b \) are not drawn to scale. #### Calculations: - Let \( \vec{F}_2 = F \) - Then \( \vec{F}_1 = 6F \) **Determine Distances \( a \) and \( b \):** \[ a = \_ \_ \_ \_ \_ \] m \[ b = \_ \_ \_ \_ \_ \] m By solving the respective torque equilibrium
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