1)what is force magnification?How simple machines perform force magnification?
2)What is effort arm?How change in effort arm affects the effort required to lift the object?
3) How levers help in reducing effort?
4)What is the role of simple machines?
2)What is effort arm?How change in effort arm affects the effort required to lift the object?
3) How levers help in reducing effort?
4)What is the role of simple machines?
Answers & Comments
Answer:
1. Force magnification is caused by mechanical advantage. A wedge, lever, double pulley, worm screw, etc. will magnify the force you apply. A consequence of the conservation of energy is that the larger output force will move through a smaller distance than you.
2.The length of the left arm decreases the amount of effort force required to lift the load increases . The position of the fulcrum and the length of the effort and load arms in a second class lever affect mechanical advantage.
3.In a first class lever, the fulcrum is located between the load and the effort. If the fulcrum is closer to the load, then less effort is needed to move the load a shorter distance. If the fulcrum is closer to the effort, then more effort is needed to move the load a greater distance.
4.simple machine, any of several devices with few or no moving parts that are used to modify motion and the magnitude of a force in order to perform work. They are the simplest mechanisms known that can use leverage (or mechanical advantage) to increase force.
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Answer: 1. Force magnification is caused by mechanical advantage. A wedge, lever, double pulley, worm screw, etc. will magnify the force you apply. A consequence of the conservation of energy is that the larger output force will move through a smaller distance than you.
2. The length of the left arm decreases the amount of effort force required to lift the load increases. The position of the fulcrum and the length of the effort and load arms in a second-class lever affect mechanical advantage.
3. In a first-class lever, the fulcrum is located between the load and the effort. If the fulcrum is closer to the load, then less effort is needed to move the load a shorter distance. If the fulcrum is closer to the effort, then more effort is needed to move the load a greater distance.
4. simple machine, any of several devices with few or no moving parts that are used to modify motion and the magnitude of a force in order to perform work. They are the simplest mechanisms known that can use leverage (or mechanical advantage) to increase force.
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Explanation: