A 2000-lb car starts from rest at point 1 and moves without friction down the track shown. (a) Determine the force exerted by the track on the car at point 2, where the radius of curvature of the track is 20 ft. (b) Determine the minimum safe vatue of the radius of curvature at point 3.
A 2000-lb car starts from rest at point 1 and moves without friction down the track shown. (a) Determine the force exerted by the track on the car at point 2, where the radius of curvature of the track is 20 ft. (b) Determine the minimum safe vatue of the radius of curvature at point 3.
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IE 3-28 ) please SolVE it
Transcribed Image Text:IE-3-28
A 2000-lb car starts from rest at point 1 and moves without friction down the
track shown. (a) Determine the force exerted by the track on the car at point 2,
where the radius of curvature of the track is 20 ft. (b) Determine the minimum
safe value of the radius of curvature at point 3.
1
40 ft
3
P2=20 ft
15 ft
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