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Physics problem somethings not coming out right please help!?
A bead slides w/o friction around a loop the loop the bead is released from a height of 17.3 m from the bottom of the loop the loop which has radius 5 m. Accel of grav is 9.8 m/s^2
So basically there is a roller coaster type track consisting of a drop then a loop (which forms the circle radius 5)
In the first part of the problem I found the correct velocity of the beed at the top of the loop(circle) which was 11.961 m/s
The second part asks what the normal force is at the top of the loop if the mass of the bead is 3 g?
I thought it would be v^2/r = ((11.961)^2/)5= accel
Then (accel-9.8)m = 56.44799995 N
Please help me out I suspect my equation is wrong
The equation looks right, you included gravity.
The mass is 3 x 10^-3 kg though, not 3 kg so your force is too high.
I've Been Inspired!