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Pulley: Quiz


Question 1: Though once widely used in factory line shafts, this type of pulley is still found driving the rotating brush in upright ________.
United KingdomDyson (company)EnglandVacuum cleaner

Question 2: In a system of a single rope and pulleys, when ________ is neglected, the mechanical advantage gained can be calculated by counting the number of rope lengths exerting force on the load.
Lift (force)Drag (physics)MassFriction

Question 3: [1] A rope, ________, belt, or chain usually runs over the wheel and inside the groove, if present.
CablePower cableCable (disambiguation)Coaxial cable

Question 4: A pulley, also called a sheave or a ________, is a mechanism composed of a wheel on an axle or shaft that may have a groove between two flanges around its circumference.
Goblet drumDafNaqarehDrum

Question 5: Pulleys are used to change the direction of an applied ________, transmit rotational motion, or realize a mechanical advantage in either a linear or rotational system of motion.
EnergyClassical mechanicsForcePhysics

Question 6: It is believed however that ________ developed the first documented block and tackle pulley system, as recorded by Plutarch.

Question 7: This allows for mechanical power, ________, and speed to be transmitted across axes and, if the pulleys are of differing diameters, a mechanical advantage to be realized.
Angular momentumForceTorqueEnergy

Question 8: This is due to ________ in the system where cable meets pulley and in the rotational mechanism of each pulley.
Drag (physics)Lift (force)ForceFriction

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