A uniform 1.3-kg rod that is 0.80 m long is suspended at rest from the ceiling by two springs, one at each end of the rod. Both springs hang straight down from the ceiling. The springs have identical lengths when they are unstretched. Their spring constants are 60 N/m and 35 N/m. Find the angle that the rod makes with the horizontal.

  1. 0
  2. 2
asked by sammie
  1. Assume g= 10 m/sec2
    60*x1 + 35*x2 = 1.3*10=13

    on observation we get
    x1= 0.1 m
    x2= 0.2 m

    so tan(angle)= .1/.8= .125
    angle= 7.125 degree

    1. 0
    posted by vivek

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    A uniform rod of weight 300N and 2m long is hinged to the floor at one end so that it can rotate in the vertical plane. The other end of the rod is tied to a point on the ceiling vertically above the floor hinge by means of a rope
  2. physics

    The uniform rod AB is suspended in air and its two ends are attached to supports by hinges.The rod has a weight of 15 lb and the spring is unstretched when θ = 0°. If θ = 30°, determine the stiffness k of the spring so that
  3. Physics

    a uniform rod of 3 kg and length 1 m is suspended from a fixed point by means of strings of length .8m and .6m which are attached to the free ends of the rod such that rod is horizontal. find the tensions in the string
  4. Physic

    Can some one help me with this question. A uniform 119.0 cm long, 78.0 gram wooden rod is suspended from it midpoint. On one end of the rod, a mass of 350 g is attached, and on the other end a mass of 150 g is attached. A third
  5. Physics

    A 1.2 -long steel rod with a diameter of 0.50 hangs vertically from the ceiling. An auto engine weighing 4.7 is hung from the rod. By how much does the rod stretch?
  6. Physics

    A 1.2m -long steel rod with a diameter of 0.50cm hangs vertically from the ceiling. An auto engine weighing 4.7kN is hung from the rod. By how much does the rod stretch?
  7. physics

    A uniform rod is set up so that it can rotate about a perpendicular axis at one of its ends. The length and mass of the rod are 0.849 m and 1.17 kg. What constant-magnitude force acting at the other end of the rod perpendicularly
  8. Physics

    A 600 N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal, 6.00-m-long, uniform, 90-N rod. The left end the rod is supported by a hinge and the right end is supported by a thin cable making a
  9. physics

    A uniform thin rod of length 0.55 m and mass 5.5 kg can rotate in a horizontal plane about a vertical axis through its center. The rod is a rest when a 3.0-g bullet traveling in the horizontal plane of the rod is fired into one
  10. Science physics

    A uniform metres rod of weight 100N carries a weight of 40N and 60N suspended from the 20Cm and 90cm marks respectively, where will your pivot a knife edge to balance the rod.

More Similar Questions