1) flat, slanted surface a) inclined plane b) pulley c) d) wheel and axle 2) Inclined plane, allows you to exert your input force over a _________ distance a) wheel b) c) longer d) output 3) MA = length of incline ÷ ______________ a) height b) compound machine c) pulley d) fulcrum 4) thick at one edge and tapers to a thin edge a) wedge b) screw c) height d) first class lever 5) ideal MA = length of the wedge ÷ ___________ a) b) lever c) wheel d) width 6) inclined plane wrapped around a cylinder a) screw b) length c) block and tackle pulley (MA = 3) d) 7) ideal MA = length around the threads ÷ __________ of the screw a) length b) wheel c) wheel and axle d) output 8) rigid bar that can pivot on a fixed point a) longer b) wedge c) first class lever d) lever 9) fixed point under the lever a) b) fulcrum c) lever d) third class lever 10) ideal MA distance from fulcrum to input force ÷ distance from the fulcrum to the ________force a) output b) lever c) movable pulley (MA = 2) d) longer 11) lever that changes the direction of the input force (scissors) a) length b) wheel c) inclined plane d) first class lever 12) levers that increase force not direction (bottle opener) a) length b) compound machine c) fixed pulley (MA = 1) d) second class lever 13) lever that increases distance (fishing pole, shovel, bat) a) block and tackle pulley (MA = 3) b) pulley c) third class lever d) height 14) two cylinders connected by an axis a) length b) axle c) wheel and axle d) movable pulley (MA = 2) 15) the part with the larger diameter a) wheel b) height c) second class lever d) width 16) ideal MA radius of the wheel ÷ radius of the ___________ a) axle b) lever c) second class lever d) third class lever 17) rope wrapped around a grooved wheel a) longer b) screw c) pulley d) axle 18) ideal MA = number of sections of rope that support the object a) inclined plane b) wedge c) d) length 19) no change to force only direction (rope goes over the wheel) a) screw b) output c) fixed pulley (MA = 1) d) wheel and axle 20) decreases force needed (rope goes under the wheel) a) length b) lever c) movable pulley (MA = 2) d) block and tackle pulley (MA = 3) 21) made of fixed and movable pulleys a) wheel b) length c) block and tackle pulley (MA = 3) d) lever 22) a machine that utilizes two or more simple machines a) compound machine b) second class lever c) axle d)

Simple Machines

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