Friction is the force that opposes the motion of an object when it comes in contact with another surface. Tension, on the other hand, is the force that is transmitted through a string, rope, or wire when it is pulled tight by forces acting from opposite ends.
Friction and tension can either help or hinder the motion of an object. Friction can slow down or stop an object's motion, while tension can either support or restrict an object's movement.
The amount of friction and tension present in a system can be influenced by factors such as the type of surfaces in contact, the amount of force applied, and the presence of external forces like air resistance or gravity.
Friction can be calculated using the formula F = μN, where F is the frictional force, μ is the coefficient of friction, and N is the normal force. Tension can be calculated using Newton's second law, F=ma, where F is the tension force, m is the mass of the object, and a is the acceleration.
To reduce friction, you can use lubricants or smooth out the surfaces in contact. To decrease tension, you can decrease the amount of force applied, increase the mass of the object, or decrease the acceleration. Additionally, using pulleys or changing the direction of the force can also reduce tension in a system.