From the position shown, a 20-lb gear with mass center at G rolls on the stationary...

 

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From the position shown, a 20-lb gear with mass center at G rolls on the stationary gear rack. If a force of P = 50 lb is applied to the handle, calculate the angular acceleration a of the gear at this instant. Take the radius of gyration of the gear to be k = 4.5 ft. The force P is maintained at 30 with respect to the horizontal and the mass of the handle is negligible. R5ft- P From the position shown, a 20-lb gear with mass center at G rolls on the stationary gear rack. If a force of P = 50 lb is applied to the handle, calculate the angular acceleration a of the gear at this instant. Take the radius of gyration of the gear to be k = 4.5 ft. The force P is maintained at 30 with respect to the horizontal and the mass of the handle is negligible. R5ft- P

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Solutions Step 1 1 Determine the Horizontal Component of the Force P Since the force is applied at a ... View the full answer