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The 4 -lb uniform slender rod $A B$, the 8 -lb uniform slender rod $B F$ and the 4 -lb uniform thin sleeve $C E$ are connected as shown and move without friction in a vertical plane. The motion of the linkage is controlled by the couple $\mathbf{M}$ applied to rod $A B$. Knowing that at the instant shown the angular velocity of rod $A B$ is 30 rad/s and the angular acceleration of rod $A B$ is $96 \mathrm{rad} / \mathrm{s}^{2}$ clockwise, determine $(a)$ the magnitude of the couple $\mathbf{M},(b)$ the reaction at point $D$

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Physics 101 Mechanics

Chapter 16

Plane Motion of Rigid Bodies: Forces and Accelerations

Section 2

Constrained Plane Motion

Motion Along a Straight Line

Cornell University

University of Michigan - Ann Arbor

University of Sheffield

McMaster University

Lectures

04:34

In physics, kinematics is the description of the motion of objects and systems in the frame of reference defined by the observer. An observer has to be specified, otherwise the term is meaningless.

07:57

In mathematics, a position is a point in space. The concept is abstracted from physical space, in which a position is a location given by the coordinates of a point. In physics, the term is used to describe a family of quantities which describe the configuration of a physical system in a given state. The term is also used to describe the set of possible configurations of a system.

11:57

The 4 -lb uniform slender …

15:54

18:51

The 3 -lb uniform rod $B D…

16:20

38:24

Two rotating rods in the v…

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