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FCTC Test Pulleys, Gears, and Levers Questions and Answers Flashcards

6 cards from real FCTC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 FCTC Test Pulleys, Gears, and Levers Questions and Answers flashcards as text

  1. A fixed pulley attached to the ceiling is used to lift a 200-lb load. Ignoring friction, how much force must be applied to the rope?

    Answer: 200 lb

    A fixed pulley only changes the direction of force, so the effort required equals the load (200 lb).

  2. Two gears are meshed together. Gear A has 30 teeth and Gear B has 10 teeth. If Gear A rotates at 60 RPM, how fast does Gear B rotate?

    Answer: 180 RPM

    Speed ratio is inversely proportional to tooth count: (30/10) × 60 = 180 RPM.

  3. Which class of lever has the effort between the fulcrum and the load?

    Answer: Class 3

    In a Class 3 lever, the effort is applied between the fulcrum and the load, as seen in tweezers or a fishing rod.

  4. A block-and-tackle system uses 4 rope segments supporting the load. What is the mechanical advantage?

    Answer: 4

    In a block-and-tackle, mechanical advantage equals the number of rope segments supporting the movable block, which is 4.

  5. On a Class 1 lever, the fulcrum is positioned very close to the load. What is the effect on effort and distance?

    Answer: Less effort, greater distance moved

    When the fulcrum is near the load, the effort arm is long, so less force is needed, but the effort must move through a greater distance.

  6. A wheel-and-axle is a simple machine related to which other simple machine?

    Answer: Lever

    A wheel-and-axle is essentially a rotating lever, where the wheel acts as the effort arm and the axle acts as the resistance arm.