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Particle equilibrium 3d3/1/2023 A deformable body is one that can distort. There is no such thing as a perfectly rigid body. What is the main difference between rigid body and deformable body explain your answer with a neat schematic diagram? The body can be brought into equilibrium by applying to it a real force at the same point, equal and opposite to the resultant. For a body to be in equilibrium, there must be no net force acting on it. Statics is the study of bodies and structures that are in equilibrium. In both cases the sum of the forces acting on them is zero. Static equilibrium is a state where bodies are at rest dynamic equilibrium is a state where bodies are moving at a constant velocity (rectilinear motion). This means that a body in equilibrium can be moving, but if so, its linear and angular velocities must be constant. We say that a rigid body is in equilibrium when both its linear and angular acceleration are zero relative to an inertial frame of reference. When we say that a rigid body is in static equilibrium it means that this rigid body experiences? Kinematics explains the terms such as acceleration, velocity, and position of objects. Kinetics is focused on understanding the cause of different types of motions of an object such as rotational motion in which the object experiences force or torque. How kinematics of particle and rigid body is different from its kinetics? If the total torque on a rigid body is zero then the body shows rotational equilibrium as the angular momentum does not change with time. This point may be anywhere near the center of mass. What is meant by equilibrium of a rigid body?Įquilibrium is a defined as any point where the total amount of external force or torque is zero. I cannot deform or change shape in any way. What is difference between rigid body and deformable body?Ī rigid body is one for which all the parts maintain the same positions relative to one another. So static equilibrium of a rigid body is the state where a solid object isn’t moving, because its influences are balanced. Can a rigid body in motion be in static equilibrium?Ī rigid body is just an object that has a particular shape that doesn’t change. There are only two forces exerted on the 1-meter long stick shown in the figure (imagine it is floating in space, for example). What is required for a rigid body to be in static equilibrium? The rigid body must exhibit no translational motion and no rotational motion. What is required for a rigid body to be in static equilibrium? Therefore, the difference is that a particle is something we assume to have no internal structure(elementary), where as a rigid body does have an internal structure or composite particles. What is the difference between a rigid body and a particle?Īnswer: A rigid body, is basically a body where the particles inside that body are assumed to be completely stationary. For a rigid body to be in equilibrium, the net force as well as the net moment about any arbitrary point O must be equal to zero. In contrast to the forces on a particle, the forces on a rigid-body are not usually concurrent and may cause rotation of the body (due to the moments created by the forces). What is the difference between particle equilibrium and rigid body equilibrium? 6 Are there two equations of equilibrium for a particle?.5 When is a rigid body in static equilibrium?.3 How kinematics of particle and rigid body is different from its kinetics?.2 Can a rigid body in motion be in static equilibrium?.1 What is the difference between particle equilibrium and rigid body equilibrium?.
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