The design of the rotating arm oa of a control mechanism requires that it rotate about the vertical z-axis at the constant rate rad/s. Simultaneously, oa oscillates according to sin , where radians and t is in seconds measured from the time when . Determine the angular velocity ? And the angular acceleration ? Of oa for the instant (a) when s and (b) when s. The x-y reference axes rotate in the x-y plane with the angular velocity .
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The design of the rotating arm oa of a control mechanism requires that it rotate about the vertical z-axis at the constant rate rad/s. Simultaneously, oa oscillates according to sin , where radians and t is in seconds measured from the time when . Determine the angular velocity ? And the angular acceleration ? Of oa for the instant (a) when s and (b) when s. The x-y reference axes rotate in the x-y plane with the angular velocity .
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The design of the rotating arm OA of a control mechanism requires that it rotate about the vertical Z-axis at the constant rate Ω = β = π rad /s. Simultaneously, OA oscillates according to Θ = Θ0 sin 4Ωt, where Θ0 = π /6 radians and t is in seconds measured from the time when β = 0. Determine the angular velocity ω and the angular acceleration σ of OA for the instant (a) when t = 1/2 s and (b) when t = 1/8 s. The x-y reference axes rotate in the X-Y plane with the angular velocity Ω.
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