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A lever.

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Q: A rigid bar that is free to pivot or rotate about a fixed point?
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What is a rigid bar that is free to pivot or rotate about a fixed point?

If the bar has a central axis that includes the fixed point, it's an axle. If the bar is affixed to the point and the axis of the bar is skewed with reference to the point, it's a lever. We're not splitting hairs here. There are some possibilities that were not addressed in the question, and it is hoped they were covered here. In the case of the axle, it isn't tough to visualize that. In the latter case, think of the bar as the handle of a dog on a marine hatch. Use the link below to see a picture.


What is a simple machine that has a rigid bar that pivots around a point?

The stiff rod to which you are referring is a LEVER. The pivot point is the Fulcrum.


On what point does a lever pivot?

In mechanics, a rigid bar that pivots about one point and that is used to move an object at a second point by pressure applied to a third point. The pivot therefore is variable according to the weight of the object to be moved


What is the term for the point on which a lever pivot?

The fulcrum. A Lever is a rigid rod to which a force can be applied to overcome a resistance. The point at which a lever pivots is called the fulcrum.


What Will Be The Degree Of Freedom Of A Rigid Body If one point of the body fixe?

The degree of freedom of a rigid body when one point of the body is fixed is zero. This means that the rigid body has no motion at all as it is completely pinned down by the fixed point. Any movement of the rigid body would cause it to become non-rigid.The degrees of freedom of a rigid body are expressed in terms of six independent parameters which are:Translation in three orthogonal directionsRotation around three orthogonal axesWhen one point of the rigid body is fixed the body cannot move in any of these directions resulting in a degree of freedom of zero.


What is known as rotation?

Any rigid body can rotate if it moves repeatedly about a fixed axis. If the axis is inside the body that is also called revolving.


Why is a rigid bar that rests on a fixed point called a fulcrum?

The rigid bar is not called a fulcrum! And, by the same token, why is the bar called a bar?


What a rigid bar that turns freely about a pivot?

friction


What is a rigid bar that turns freely about a pivot?

it's was a lever ..........


Are liquids neither rigid in shape or fixed volume?

liquids are Not rigid in shape, but DO have a fixed volume


What is the definition for lever?

A simple machine consisting of a rigid bar pivoted on a fixed point and used to transmit force.


What is the dictionary definition for lever?

A simple machine consisting of a rigid bar pivoted on a fixed point and used to transmit force.