FCTC TEST PREP Questions And Answers Graded A+.
A belt and pulley system is characterized by - correct answer. two or more pulleys in common to a belt.
What does a belt and pulley system allow for? - correct answer. mechanical power, torque, and speed to be transmitted across ax...
A belt and pulley system is characterized by - correct answer. two or more pulleys in
common to a belt.
What does a belt and pulley system allow for? - correct answer. mechanical power,
torque, and speed to be transmitted across axles
How is mechanical advantage realized? - correct answer. if the pulleys are different
diameters
what is a pulley? - correct answer. a wheel on an axle or shaft that is designed to
support movement and change of direction of a cable or belt along its circumference
Why are pulleys used? - correct answer. lift loads
apply forces
trasmit power
What is usually the drive element of a pulley? - correct answer. rope, cable, belt or
chain that runs over the pulley inside the groove
Pulleys are assembled to form what - correct answer. a block and tackle in order to
provide mechanical advantage to apply large forces
rope and pulley systems (block and tackle) are characterized by what? - correct answer.
the use of a single continuous rope to transmit a tension force around one or more
pulleys to lift or move a load
the rope may be a light line or a strong cable
What is the mechanical advantage of a rope and pulley system if it does not dissipate or
store energy? - correct answer. the number of parts of the rope that act on the load
What is a lever? - correct answer. a machine consisting of a beam or rigid rod pivoted
at a fixed hinge or fulcrum
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