please help You are hitting a pin-ata at a friend\'s birthday with a perfectly c
ID: 2265478 • Letter: P
Question
please help
You are hitting a pin-ata at a friend's birthday with a perfectly cylindrical solid wooden stick with mass m = 2.2 kg and length l = 1.4 m. Assume the stick is a slender rod. You are holding the stick a point H, which is located 9 cm from the bottom. You swing the stick and make contact with the pin-ata with the end of the stick at point C. At the instant before contact, the stick is in pure rotation about the point H with an unknown angular velocity omega and angular acceleration alpha in a counter-clockwise direction, as shown. You are producing a force P = -30 i - 10 j N at point H that is perpendicular to the stick, and an unknown torque TH in a counter-clockwise direction. Draw a free-body diagram of the wooden stick. Determine the angle theta of the stick from vertical. Determine the normal and tangential accelerations of the stick's center of gravity, and solve for the angular velocity omega and angular acceleration alpha. Now determine the tangential and normal components of the acceleration of point C (the end where it strikes the pin-ata). Calculate the net moment about the stick's center of gravity, and solve for the torque TH at this instant. Calculate the net moment about the fixed point H, and solve for the torque TH at this instant.Explanation / Answer
(a) Diagram will be pretty similar as given in the question. (b) Theta = 30 degree (c)10ms/s (d) 5ms/s (e) 20 (f) 50 Hope this helps!
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