Efficiency and Simple Machines

Josh Kenney explains efficiency in the context of simple machines. In this video we learn the equation to calculate efficiency and we learn how to solve problems using this equation.

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[beckymahoney]

This helped me so much!! Now I understand my science homework!! Thank you

[NathanCoppedgeVideos]

Other simple machines: (Lever, Screw, Wheel and axle, Pulley, Wedge, Ramp...) Pendulum, Rope / string, Funnel, Balance, Counterweight, Hinge, Swivel/ Pivot, Turntable, Drawbridge, Latch (hasp lock), Bow, Blunt object, Blade, Bearings, Deadly Trap, Ratchet, Tent-Pole, Crank, Winding mechanism, Blocking mechanism, Straw, Buoy, Bridge, Balloon, Kite / Glider, Zip-line, Sundial, Prism, Mirror, Art.

[maryyuan]

The input force should be input work around 5:10

[MANUELGARCIA-urgi]

nice video it's easy to understand

[AR-oplc]

Thank you much. I'm really grateful, now I really understand

[DrNavarrio]

Hey nice video its paul from your first hour

[apfelsafteis]

So I was told that work input and output have to be the same. Is that not true?

[eyfmuob]

Thank you so much 100 percent efficient 😂

[lastinstarss]

Thank you for helping me understand c:

[mrcat]

Please what does MA and VR stand for.. is it milliamps and velocity ratio

[jasonaliwala]

I skipped 6 pages of notes that probably won’t make sense to me for an 8 minute video that I can fully understand

[renehincapie]

Maybe I don't understand something. Following your formula with a more inclined plane you do the lifting easier, but it is less efficient???? I have read that efficiency let you do the same work with less effort. Then, more inclined is the plane more efficiency.

[MosMoses-ht]

Best but improve it to got better view 😊😊😊

[okegbenromustekeem]

Nice one👍, but always try to speak loud than this sir