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# What is the force of tension?

## What is the force of tension?

A tension force in physics is a force developed in a rope, string, or cable when stretched under an applied force. Tension is acted along the length of the rope/cable in a direction that is opposite to the force applied on it. Tension can also at times be referred to as stress, tensity or tautness.

## Is tension a vector force?

Yes, tension is a vector. When a rope (cable, string, etc) is attached to a body and pulled taut, the rope pulls on the body with a force directed away from the body and along the rope. Therefore it has a direction (and obviously a magnitude).

Is tension an applied force?

APPLIED FORCE: Applied forces usually result from things physically touching and acting on a body. By this definition, normal, tension and friction forces are applied forces, but we usually categorize them separately.

### Is tension an external force?

Forces can be categorized as internal forces or external forces. For our purposes, we will simply say that external forces include the applied force, normal force, tension force, friction force, and air resistance force.

### How tension is an electromagnetic force?

Tension inside of a rope or similar object is modeled by atoms being slightly stretched apart as if connected by tiny “springs”. In reality there are no springs between the atoms but rather molecular bonds. The underlying cause for these bonds and therefore tension is the electromagnetic force.

Is tension constant in a pulley?

It changes direction continuously, in infinitesimal small increments. At any point, though, the tension vectors are essentially equal and opposite, so the tension is considered to be constant as the rope wraps around the pulley.

#### Which type of quantity is surface tension?

scalar quantity
Surface tension is a scalar quantity.

#### How do you find tension force?

Tension Formulas – How to Calculate Tension Force

1. Tension can be easily explained in the case of bodies hung from chain, cable, string etc.
2. T = W ± ma.
3. Case (iv) If the body moves up or down with uniform speed, tension; T = W.
4. T=m(g±a)
5. As tension is a force, its SI unit is newton (N).

Is friction external force?

Friction is an external force that acts opposite to the direction of motion (see Figure 4.3). Think of friction as a resistance to motion that slows things down.

## Is compression an internal or external force?

Shear, tension, compression, and torsion are types of internal forces that can affect structures.

## What are some examples of a tension force?

Suspension of a pendulum bob

• An object suspended by a pully
• Pulling a sleigh by huskies and reindeer
• Plucking a guitar string
• Stretching the muscles
• A swing in a playground
• Elevator suspended by a cable
• Spring in a watch
• Suspension bridge
• Seat belt
• Is tension a resistive force?

The normal force is thought of as being the resistive force that prevents two objects from occupying the same space. In a similar fashion, is it acceptable to think of tension as being the resistive

### How does the force of tension really work?

The tension force is the force that is transmitted through a cable, rope, wire or string when it is pulled tight by forces acting from opposite ends. It is directed along the length of the cable and pulls equally on the objects on the opposite ends of the wire.

### Which type of force is tension?

Types of Forces. The tension force is the force that is transmitted through a string, rope, cable or wire when it is pulled tight by forces acting from opposite ends. The tension force is directed along the length of the wire and pulls equally on the objects on the opposite ends of the wire.