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An inclineded plane

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Q: What is a device that changes the direction or amount of effort needed to do work?
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A device that changes the direction or the amount of effort needed to do work?

An inclineded plane


What is a device that does work with only one movement and changes the size and direction of the force?

It is an effort machine


How can you Prove that simple machine changes the direction of effort?

Pulley can prove that simple machine changes the direction of effort.


What is the mechanical advantage of a single fixed pulley?

Thew pulley changes the direction of the effort force.


What is the weight of an object being moved by a machine?

A simple machine is mechanical device that is non-powered. It changes the direction of a force. Some examples of a simple machine include a wheel and axle, a wedge, and a pulley.


What is the mechanical advantage of a fixed and free pulley?

A fixed pulley does NOT multiply the effort force or have a mechanical advantage. It only changes the direction of the effort force. A free pulley multiplies the effort by two. this means the free pulley has a mechanical advantage of 2.information from:www.mhscience02.com


What simple machine is the direction of effort opposite to the direction of resistance?

is a fixed pulley


What type of pully can multiply effort force?

Actually, pulleys cannot multiply effort force. It can only change the direction of the effort force.


How well a machine changes effort into work?

Efficiency


Can a second class pulley change the direction of the effort force?

yes


What is a device that does work with only one movement?

Effort Force


How the mechanical advantager of a ramp changes as the ramp becomes longer?

The Mechanical advantage becomes smaller decreasing the amount of work that needs to be done. It will take less effort to lift the object or load