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What is an example of a machine that allows force to be applied over a greater distance?
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How does a rake act as a machine by which the force is applied?
Decreasing the applied force and increasing the distance
Why are levers useful?
A lever is a simple machine that changes the distance the force is applied over. It is helpful by since the force is applied over distance you can lift things. One example of this machine is a seesaw and a boat paddle. If we did not have this machine on a seesaw we would stay balance. Levers are devices that increase the force you use them with. Each lever has three main parts: the fulcrum, resistance arm, and effort arm.
What is a lever with a mechanical advantage greater than one used to do?
Mechanical advantage refers to the ratio of the force produced by a machine to the force applied to it. A lever with a mechanical advantage greater than one is used to increase distance.
Can a machine increase both the force and the distance over which the force is applied Why or why not?
No. That would violate Conservation of Energy.
What simple machine can change the strength of force?
The lever will create more force by requiring greater distance.
Who is greater the applied force or the force exerted by the machine?
That depends on whether the machine is designed to multiply force or distance. A machine designed to multiply distance will exert less force than was applied, and a machine designed to multiply force will exert the greater force over a shorter distance than force was applied to it. As for work, output work is always less than input work because some energy is lost in overcoming friction.
How does a rake act as a machine by which the force is applied?
Decreasing the applied force and increasing the distance
Why are levers useful?
A lever is a simple machine that changes the distance the force is applied over. It is helpful by since the force is applied over distance you can lift things. One example of this machine is a seesaw and a boat paddle. If we did not have this machine on a seesaw we would stay balance. Levers are devices that increase the force you use them with. Each lever has three main parts: the fulcrum, resistance arm, and effort arm.
What is a lever with a mechanical advantage greater than one used to do?
Mechanical advantage refers to the ratio of the force produced by a machine to the force applied to it. A lever with a mechanical advantage greater than one is used to increase distance.
Measurement of how much a machine multiplies force or distance is called?
Measurement of how much a machine multiplies force or distance is called mechanical advantage. An example of this mechanism would be a crane, which allows the lifting of heavier objects with less force applied.
How do you compute input work of a simple machine?
You multiple a force time the distance over which the force is applied.
If a block and tackle is a simple machine What mechanical advantage does it give the user and what does the user have to give up in exchange?
The mechanical advantage is that the force applied increases but that is compensated by the fact that the rope or chain needs to be moved through a greater distance.
Can a machine increase both the force and the distance over which the force is applied Why or why not?
No. That would violate Conservation of Energy.
What simple machine can change the strength of force?
The lever will create more force by requiring greater distance.
When a simple machine is used to perform a task what factors may be affected?
the amount of force needed to perform the task the distance over which the force is applied the direction in which the force is applied
When a simple machine is used to perform a task factors may be affected?
the amount of force needed to perform the task the distance over which the force is applied the direction in which the force is applied
When a machine shortens the distance over which a force is exerted the size of the force must what?
The size of the force must be greater.
