yes. to have friction you need more movement between what ever is making the friction which then brings you more work
Kinda-sorta. If you have friction and then a force that's overcoming that friction, making something slide - then you will get heat. The more friction and the more force, the more heat.
They are different because static means "not in motion" and kinetic means "in motion". Kinetic friction means friction that is moving and static friction means friction that is not moving.
The smaller amount of friction a machine has, the more efficient it becomes.
Friction does work to slow down the car. Thus, the more friction there is, the less distance a car can go.
it means enabling a substance to move more frequently on a surface a friction is a force which resists the movement of an object
Kinda-sorta. If you have friction and then a force that's overcoming that friction, making something slide - then you will get heat. The more friction and the more force, the more heat.
They are different because static means "not in motion" and kinetic means "in motion". Kinetic friction means friction that is moving and static friction means friction that is not moving.
If the texture is coarser, then the surfaces will tend to "catch" more as they try to move. Coarser texture means more friction; finer texture means less.
The smaller amount of friction a machine has, the more efficient it becomes.
Yes. Since more work goes to counter the friction force, less work goes to do the actual function of the machine.
Friction does work to slow down the car. Thus, the more friction there is, the less distance a car can go.
Less heat
Work equals force times distance. In reality, you don't decrease the force by the same proportion that you increase the distance because of friction. In English, you need less power (work per unit of time) to complete the task, but it takes more work (energy) because of more distance of friction.
it means enabling a substance to move more frequently on a surface a friction is a force which resists the movement of an object
Friction will work against force
If you want to swim faster, then decreasing friction would help you with that - Less friction means you glide easer through the water. If you want a more efficient workout then increasing friction would help you with that. If you were to put a track suit on before entering the water you'd have to work a lot harder for each lap in the pool.
No, We cannot do work on friction less surface