Hand Powered Drill |
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Which elements of machines are in this drill? Bevel Gears Worm Gear Screw Rack and Pinion Wheel and Axle Crank and Rod |
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Wing-Handle Corkscrew |
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Which elements of machines are in this corkscrew? Pulley Wheel and Axle Screw Rack and Pinion Lever Cam |
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Scissor Style Jack |
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Which elements of machines are in this jack? Screw Cam Pulley Gears Lever Wedge |
Classroom Activity: Sketching
Gadget Anatomy