During a steady right turn, a person exerts the forces shown on the steering wheel. Note that each force consists of a tangential component and a radially-inward component. Determine the moment exerted about the steering column at O. The moment will be positive if counterclockwise, negative if clockwise. 9.4 N 28 17 430 mm 28° 9.4 N

The rectangular block shown rotates about the diagonal OA with a constant angular velocity of 5.8 rad/s. Knowing that the rotation is counterclockwise as viewed from A, determine the velocity and acceleration of point B at the instant shown. 5 in. 12 in. 15.6 in. 15.6 in. The velocity of corner Bis -( 32.123 in./s)i + ( 10.295 in./s)j - ( 13.38 in./s)k. The acceleration of corner Bis -(186.3134| in./s²)i – (| 31.0764 in. in./s²)j + o in./s2)k.

The force of F = (2i -5j) N is acting on a particle whose position vector is r = (i +0.5j +2k) m Calculate the torque vector about the origin in Nm (Hint: consider the vector product) a. 8 b. 10i +4j - 6k c. 2i-2.5J d. (-1k) e. O f. (k) Nm 2i -2.5j +2k

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Determine the location of the centroid. Determine the moment of inertia about horizontal and vertical centroidal axis. Iin. 6 in. 1 in. 4 in. 6 in. 1 in.

A marching band is performing a routine in which all players form a line that rotates about the center player C. The players complete one full 360 degrees rotation in one minute and are always in a line. Of players A and B, which player has the greater linear speed v and which player has the greater angular speed w A. Player A has a greater linear speed v, but they have the same angular speed w. B.Player B has a greater angular speed w, but they have the same linear speed v. C.Player A has a greater angular speed w, but they have the same linear speed v. D.Player B has a greater linear speed v, but they have the same angular speed w

A playground merry-go-round of radius R = 1.20 m has a moment of inertia I = 255 kg · m2 and is rotating at 9.0 rev/min about a frictionless vertical axle. Facing the axle, a 23.0-kg child hops onto the merry-go-round and manages to sit down on the edge. What is the new angular speed of the merry-go-round? rev/min Need Help? Read It Watch It

4. A skater has a moment of inertia of 105.0 kg.m² when his arms are outstretched and a moment of inertia of 64.0 kg.m² when his arms are tucked in close to his chest. If he starts to spin at an angular speed of 80.0 rpm (revolutions per minute) with his arms outstretched, what will his angular speed be when they are tucked in? rpm

Crank OA is rotating at a counterclockwise angular rate of 9.4 rad/s, and this rate is decreasing at 4.3 rad/s². Determine the angular acceleration AB of link AB for the position shown. The angular acceleration AB is positive if counterclockwise, negative if clockwise. 100 mm 9.4 rad/s 85 mm Answer: CAB= 38° G AB=210 mm B rad/s²

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