https://padlet.com/mikylacastanares/yapaeta0e2hh Made with a lightning strike of genius en-us 2018-01-12 02:11:23 UTC 2018-01-12 03:00:56 UTC hello@padlet.com mikylacastanares https://padlet.com/mikylacastanares/yapaeta0e2hh/wish/220841526
1.LEVER-Well, a first-class lever is a stick where the fulcrum is in between the weight and the energy moving the weight (your hands, for example). Some common first-class levers are see-saws, crowbars, and pliers. A pair of scissors . Some common second-class levers are doors, staplers, wheelbarrows, and can openers.

2. A major application is in wheeled vehicles, in which the wheel and axle are used to reduce friction of the moving vehicle with the ground. Other examples of devices which use the wheel and axle are capstans, belt drives and gears.

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