Sagot :
Sila ang tinatawag na simple machines.
Mga halimbawa:
1) wedge - knife, ax, fork
2) levers - seesaw, (first class lever)
- wheelbarrow (second class lever)
- fishing rod (third class lever)
3) wheel and axle - gears, door knobs, Ferris wheel
Mga halimbawa:
1) wedge - knife, ax, fork
2) levers - seesaw, (first class lever)
- wheelbarrow (second class lever)
- fishing rod (third class lever)
3) wheel and axle - gears, door knobs, Ferris wheel