Which class of lever are tweezers?, Class 2, Class 3, Class 1, Class 4, Which class of lever is seesaw?, Class 3, Class 1, Class 4, Class 2, Which class of lever is wheelbarrow?, Class 3, Class 4, Class 1, Class 2, What do you call a shaped piece of metal or plastic fixed to a rotating shaft?, a cam, a lever, a gear, a pulley, what is the formula for calculating the output speed?, output speed = input speed * velocity ratio, output speed = velocity ratio : input speed, output speed = input speed : velocity ratio, What is not a simple machine?, Wheelbarrow, Wedge, Pulley, Wheel and axle, What is this?, A pulley, Light switch, What makes a good engineer?, Wheelbarrow, Good at communicating, Knows Languages, Good at physics and math, Is screw a simple machine?, Yes, No, What is a purpose of a wedge?, Splitting things, Stopping things, Cutting things, Lifting things, What type of machine is escalator?, Lever, Wedge, Pulley, Inclined plane, Select mechanisms used in an axe., Wedge, Lever, pulley, Inclined plane, Where is the fulcrum in class 3 lever?, At the start, At the end, In the middle, At the end of beggining, Where is the effort in class 2 lever?, At the start, In the middle, At the end, At the beggining of the end, Where is the load in class 1 lever?, At the start, In the middle, At end, In the middle of middle, What is lever in polish?, KLIN, DŹWIGNIA, POCHYLNIA, winda, WHAT IS WEDGE MADE OF, two inclined planes, triangles, sqares, rectangles, What is gear in polish?, Przekładnia, Taczka, Kaczka, Papier, What is dies in polish, Matryca, Ramka, Fotografia, Śmierć, What is bearing in polish, Wrotki, Łożysko, Koło zebate, przekładnia

Simple machines

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