anonymous
  • anonymous
A 1190- car is held in place by a light cable on a very smooth (frictionless) ramp, as shown in the figure . The cable makes an angle of 31.0 above the surface of the ramp, and the ramp itself rises at 25.0 above the horizontal. A. Find the tension in the cable. B. How hard does the surface of the ramp push on the car? (Normal Force)
Physics
katieb
  • katieb
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anonymous
  • anonymous
|dw:1326041306600:dw|
anonymous
  • anonymous
So there are two forces : gravity and tension they much work somehow to keep car in place: force along the ramp by gravity and tension must cancel
anonymous
  • anonymous
force by gravity along the ramp= sin 25* gravity_force= T cos (31) |dw:1326041428275:dw|

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