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$\bullet$ A uniform, $90.0-\mathrm{N}$ table is 3.6 $\mathrm{m}$ long, 1.0 $\mathrm{m}$ high, and1.2 $\mathrm{m}$ wide. $\mathrm{A} 1500-\mathrm{N}$ weight is placed 0.50 $\mathrm{m}$ from one end of the table, a distance of 0.60 $\mathrm{m}$ from each of the two legs at that end. Draw a free-body diagram for the table and find the force that each of the four legs exerts on the floor.

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Physics 101 Mechanics

Chapter 10

Dynamics of Rotational Motion

Newton's Laws of Motion

Rotation of Rigid Bodies

Equilibrium and Elasticity

Cornell University

University of Michigan - Ann Arbor

Hope College

University of Winnipeg

Lectures

02:34

In physics, a rigid body is an object that is not deformed by the stress of external forces. The term "rigid body" is used in the context of classical mechanics, where it refers to a body that has no degrees of freedom and is completely described by its position and the forces applied to it. A rigid body is a special case of a solid body, and is one type of spatial body. The term "rigid body" is also used in the context of continuum mechanics, where it refers to a solid body that is deformed by external forces, but does not change in volume. In continuum mechanics, a rigid body is a continuous body that has no internal degrees of freedom. The term "rigid body" is also used in the context of quantum mechanics, where it refers to a body that cannot be squeezed into a smaller volume without changing its shape.

02:21

In physics, rotational dynamics is the study of the kinematics and kinetics of rotational motion, the motion of rigid bodies, and the about axes of the body. It can be divided into the study of torque and the study of angular velocity.

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Hello Problem. Number 53 talks about a uniform table that is 3.6 meters long in one meter high society and its 1.2 meters wide. Now, um, we have four legs on our table. There's going to be shoe. You were gonna call those The left makes into right upward forces. We stuck a weight located right here is 15 minutes and it's located wait six from the left end. The uniformed tables, so are 90 Newton. Wait is located in the exact center of the table. It's No 1.8 from the end were asked, affording the force that each of the four legs exerts on the floor. So I look at the fact that we know it's an equilibrium. So our networks or zero, we'll sort of look at the fact that our forces in the UAE direction must be unequal of Ramos. Well, that tells us that we have two left upward forces into right upward force is they're gonna have to support the weight of the table and the object we placed on the table. Mature perspective we're gonna do rotating about the left side. We know then that the left force will not, um, provide any torque because it's a long zero. We know that the right side will provide counterclockwise torque while the two weights provide clockwise tour talks to find his force times lever arm. So from the right legs, you know, the lever arm is the full length of the table, and that would be equal to the what you placed in the table at 0.6 meters from the left side. In the 90 new way to the table that's at its center begin insoles. For the right side, we will get one inert 47.5 Newton's on the right, something back in over here to solve for our left side. What outside has to support 600 in 47.5 mins. Make sense, since are large 1500. Newton is closer to the left side. It's gonna have to support more. Thank you for

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