Table of Contents

- 1 What causes torque to increase?
- 2 Can torque be added to force?
- 3 Does length increase torque?
- 4 How do you find the force of torque?
- 5 Why does torque depend on where the force is applied?
- 6 How does distance affect torque?
- 7 How to improve torque and rpm of a DC motor?
- 8 Why is torque directly proportional to motor power?
- 9 What happens to torque when magnetic field strength increases?

## What causes torque to increase?

An increase in torque comes with a proportional decrease in rotational speed. The meshing of two gear teeth can be viewed as equivalent to the interaction of a pair of levers as shown in Figure 5. Figure 5: The meshing of two gears viewed as the interaction of two levers.

### Can torque be added to force?

The connection between force and torque works in both directions: you can apply a force to the rod to create a torque on the axle, or if you have an axle delivering torque, you can get a force by attaching the rod to the axle. In the second case, the longer the rod, the less force you would get at the end of it.

#### Does length increase torque?

A: This may seam odd, but the different length of screwdriver really doesn’t affect the torque directly. Torque is the force applied times the distance from the axis you are rotating about. The long handle will move your hand further from the rotation and give you more torque.

**What are the two ways to increase torque?**

To increase the torque on the beam in this case the following can be done:

- Increase force F1.
- Increase force F2, or just increase the vertical component of F2.
- Increase d.

**What are the ways to increase torque in physics?**

Torque can be increased in two ways: 1) by increasing the moment arm or 2) increasing the perpendicular force applied to the moment arm. The opposite is true for decreasing torque. If an object is at rest the torques on the object are balanced (they cancel out) and sum of those torques is zero.

## How do you find the force of torque?

The equation, Force = Torque ÷ [Length × sin (Angle)], converts torque into force. In the equation, Angle is the angle at which the force acts on the lever arm, where 90 degrees signifies direct application.

### Why does torque depend on where the force is applied?

A torque is a force applied to a point on an object about the axis of rotation. The size of a torque depends on (1) the size of the force applied and (2) its perpendicular distance from the axis of rotation (which depends both on the direction of the force plus its physical distance from the axis of rotation).

#### How does distance affect torque?

The increase in torque comes from the increase in distance that the force is applied. Torque is not work, but it’s similar in that they are both a force applied over or at a distance. if the force remains constant, then increasing the distance will produce more work or more torque.

**Which of the following is one way to increase torque?**

By increasing the perpendicular distance between forces or by increasing the magnitude of the perpendicular component of the forces.

**How do you make a torque force on a disk?**

Hold the mouse over the disk so the mouse finger is pointing anywhere between the green and pink circles. Hold down the left mouse button. Move your mouse to apply a force. Look at the graph and try to apply a force that creates a torque of 10.

## How to improve torque and rpm of a DC motor?

Given all that, your question was “How to improve torque and RPM of a DC motor”. You can improve it by giving it more energy, or you can make it more efficient. Some sources of loss are: All these serve to make the motor less than a 100\% efficient converter of electrical and mechanical energy.

### Why is torque directly proportional to motor power?

Because power out is equal to torque times angular velocity, and power in equals power out (again, assuming 100\% efficiency), we get: So any change to torque or speed will be directly proportional to the power required to drive the motor. Case 2: (A bit more math here that I didn’t explicitly go over above) Going back to Lorentz’s law we see that:

#### What happens to torque when magnetic field strength increases?

So as magnetic field strength is increased or decreased, the torque, τ, will increase or decrease proportionally. Which makes sense because the stronger the magnetic field, the stronger the “push” on the armature. Magnetic field strength is also directly proportional to the voltage constant, K e.