Physics 1.1.16 Flashcards
1
Q
How can you improve the Efficiency of a device?
A
By Reducing Wasted Energy Transfers.
2
Q
Machines Waste Energy due to: (4)
A
-Friction.
-Air Resistance.
-Electrical Resistance.
-Sound.
3
Q
How can you Reduce Friction in a Mechanical System?
A
Lubricating parts.
4
Q
How can you Reduce Electrical Resistance in Electrical Circuits? (2)
A
-Using Components with Lower Resistance.
-Reducing the Current.
5
Q
How can you Reduce Air Resistance?
A
Streamlined shape.
6
Q
How can you Reduce Noise?
A
Lubrication.
