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b. In the case of a block and tackle arrangement, mechanical advantage increases with the number of pulleys. Explain.

c. Write two uses for each: inclined plane, pulley, and wheel and axle.

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Final answer:

The mechanical advantage in a block and tackle arrangement increases with the number of pulleys, making it easier to lift loads. Inclined planes, pulleys, and wheel and axles have various practical uses in everyday applications.


Explanation:

Mechanical Advantage of Block and Tackle Arrangement:

Mechanical advantage increases with the number of pulleys in a block and tackle system because each additional pulley reduces the force needed to lift a load. For example, if you have multiple pulleys, the weight of the object is distributed among the ropes and pulleys, making it easier to lift.

Uses of Simple Machines:

  1. Inclined Plane: Uses include ramps, sloping roads, or wheelchair ramps for easier movement.
  2. Pulley: Pulleys are used in elevators, flagpoles, and construction cranes to lift heavy loads with less effort.
  3. Wheel and Axle: Examples include cars (wheels and axles), doorknobs, and gears that make machines work efficiently.

Learn more about Mechanical Advantage of Simple Machines and its Practical Uses here:

https://brainly.com/question/35879391


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