PHYS 201 Midterm: PHYS 201 TAMU Fall 07 Exam 3 Solutions
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No partial credit will be given. (5 pts) 1. A uniform bar with mass 50 kg and length 6. 0 m is attached to a wall by a frictionless hinge. The bar is held in a horizontal position by a light rope that is attached to the bar at a point 2. 0 m from the hinge and makes an angle of 37 with the bar. The vertical component of the force that the hinge exerts on the bar is a ward. A wheel of radius 0. 50 m starts from rest at t = 0 and then rotates with constant angular acceleration. A force f = 20 n is exerted on a 5. 0 m long bar as shown in the sketch. The bar makes an angle of 53. 1 with the horizontal. A block of mass m moves in simple harmonic motion of the end of a horizontal. \% d4os (e) 2. 0 s (f) none of the above (7 pts) 5.
