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What Will Be The Degree Of Freedom Of A Rigid Body If one point of the body fixe?
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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 directions
- Rotation around three orthogonal axes
When 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.
Vincent Hilpert
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What is instantaneous centre of rotation?
The instantaneous center of rotation is a point in a rigid body that has zero velocity at a specific moment in time. It is the point around which all parts of the rigid body have rotation at that moment. It helps to analyze the motion of the rigid body at that instant.
What is Difference between elastic body and rigid body?
An elastic body can deform under stress but will return to its original shape when the stress is removed, while a rigid body does not deform at all. In other words, an elastic body can store and release energy in the form of deformation, while a rigid body cannot.
What are the difference between the particle and rigid body?
Particles are point-based objects with no dimensions or orientation, used to simulate small particles in a system. Rigid bodies are solid objects with dimensions and orientation that interact with other objects in a physics simulation. Rigid bodies have mass, volume, and inertia, while particles are massless and do not have volume or shape.
Is it possible to calculate the torque acting on a rigid body without specifying the axis?
No, torque is inherently dependent on the axis about which it is computed. The torque acting on a rigid body can only be accurately calculated if the axis, also known as the point of rotation, is specified.
Find the resultant of two unlike and unequal parallel forces acting on a rigid body?
To find the resultant of two unlike and unequal parallel forces acting on a rigid body, you can use the parallelogram method. Draw a parallelogram with the two forces as adjacent sides, then draw the diagonal from the point where the two forces intersect. The resultant force is represented by this diagonal and can be calculated using the magnitude and direction of the forces.
What is instantaneous centre of rotation?
The instantaneous center of rotation is a point in a rigid body that has zero velocity at a specific moment in time. It is the point around which all parts of the rigid body have rotation at that moment. It helps to analyze the motion of the rigid body at that instant.
Is there such a thing as truly rigid body?
In classical physics, a rigid body is an idealization where the distance between any two points on the body remains constant. However, in reality, all physical bodies have some degree of flexibility or deformation under certain conditions. Therefore, there is no truly rigid body in practice.
Principle of transmissibility?
The principle of transmissibily states that the the conditions of equilibrium(uniform mothion) of a rigid body will remain unchanged if a force acting at a given point of the rigid body is tansmitted along its line of action to another point with the same magnitude and same direction.
Why does a rigid body has frequency?
A rigid body will have a natural frequency of vibration due to its mass and stiffness properties. When disturbed from its equilibrium position, the body will oscillate at this natural frequency. This frequency is determined by the body's physical characteristics and can be calculated using principles of dynamics.
Does a hamster have a rigid body?
It has a rigid skeleton but the body is flexible.
How does a rigid body differ from an elastic body?
A rigid body does not deform under stress, maintaining its shape, while an elastic body can deform under stress but will return to its original shape once the stress is removed. Rigid bodies are idealized as having infinite stiffness, while elastic bodies have finite stiffness allowing for deformation.
How does your body hold itself up?
that's basically the point of your bones. they're rigid so can be kept straight by your muscles. you naturally have a sense of balance so can keep your bones rigid
What is the Formula for center of mass?
Center of mass = [(mass of a point object)*(distance of that point from origin)]/(Total mass) For a rigid body we need to integrate this expression.
what system provides rigid support by the body?
The skeletal system provides rigid support for the body, through bones that form a framework to support and protect the internal organs. The bones also work with muscles to facilitate movement and provide structure to the body.
What object is rigid?
A metal rod is an example of an object that is rigid, meaning it does not bend easily and maintains its shape when force is applied.
Difference between rigid body and particle?
The key difference between a particle and a rigid body is that a particle can undergo only translational motion whereas a rigid body can undergo both translational and rotational motion
What is the use of shear force and bending moment diagrams?
To determine the internal shear forces and moments at any given point on a rigid body.
