Thank You Questions 35 through 38 are concerned with a mass m which is on a mova

Question

Thank You Questions 35 through 38 are concerned with a mass m which is on a movable inclined plane. The mass is held by a light string which is secured to the top of the plane. Assume that the plane is frictionless and that it is stationary. Find the tension in the string. T= (A) mg (B) mgsine (C) mgcoso (D) mgtano (E) (mgs in theta- )/2 Again assume that the plane is frictionless. Now the plane is accelerated to the right with constant acceleration a. The tension in the string is now zero. What is the acceleration a ? (A) g (B) gsin theta (C) geos theta (D) gtan theta (E) (gsin theta? )/2

Explanation / Answer

35. F = 0 T - mgsin = 0 answer: B 36. F = ma along the plane: mgsin = macos a = gtan answer: D

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