Fall 2008 -- Purdue University -- West Lafayette, IN
You don't need r_dot_dot to solve the problem. (If that's what you're referring to)You just do the F = ma in the theta direction to find N, making sure to include the effects of gravity.N - mg*cos(30) = m(r*theta_dot_dot + 2*r_dot*theta_dot)From there just plug and chug.
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You don't need r_dot_dot to solve the problem. (If that's what you're referring to)
ReplyDeleteYou just do the F = ma in the theta direction to find N, making sure to include the effects of gravity.
N - mg*cos(30) = m(r*theta_dot_dot + 2*r_dot*theta_dot)
From there just plug and chug.
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