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Q: Why friction decreases the efficiency of machines?
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What effect does friction have on a machines efficiency?

Efficiency of the machine is reduced due to loss of energy by friction.


What decreases efficiency by causing an energy loss to the environment?

Friction causes a loss of heat to the surroundings and decreases efficiency.


Decreases efficiency by causing an energy loss to the environment.?

Friction


What is the relationship between friction and efficiency of a machine?

The relationship between friction and the efficiency of a machine is when friction increases, efficiency decreases, and vice versa. That is why you can never have 100% efficiency, because there is always at least a little friction. They are inversely proportional, meaning, higher friction equals less efficiency.


Why doesn't any system have 100 percent efficiency?

frictionIn real machines, as opposed to ideal machines, there is always friction that reduces the efficiency of the machine. Lubricants like oil can be used to reduce friction and improve efficiency.


Reducing friction in a machine increases or decreases?

Deceasing friction increases efficiency and reduces heat loss.


What reduces the efficiency of machines?

It would be friction.<3 hope this helped


Why does friction reduce the efficiency of machines?

Friction requires energy to overcome it. This causes loss of energy in the system. Loss of energy in a system, by definition, is a reduction of efficiency.


What is the name of the machine of the force that prevents machines from operating at 100 percent efficiency?

Friction.


Levers have a greater mechanical efficiency that other simple machines because?

They have to overcome less friction


How do ball bearings increase the efficiency of many machines?

they reduse the friction between the machine parts.


Rosa has designed a pulley system for a school science project She has determined that as the coefficient of friction increases the efficiency of the pulley decreases With a coefficient of friction?

50*