A trapeze artist, with swing, weighs 700 N; he is being held to one side by his partner so that the swing ropes make an angle of 30.0 with the vertical. In such a condition of static equilibrium what is the tension in the rope?
a. 924 N
c. 808 N
b. 404 N
d. 233 N
[Ques. 2] A trapeze artist, with swing, weighs 700 N; he is momentarily held to one side by his partner so that the swing ropes make an angle of 30.0 with the vertical. In such a condition of static equilibrium, what is the horizontal force being applied by the partner?
a. 924 N
c. 808 N
b. 404 N
d. 233 N
[Ques. 3] A 100-kg box is placed on a ramp. As one end of the ramp is raised, the box begins to move downward just as the angle of inclination reaches 25. What is the coefficient of static friction between box and ramp?
a. 0.15
c. 0.47
b. 0.27
d. 0.95
[Ques. 4] A 25-g traffic light hangs midway on a cable between two poles 40 meters apart. If the sag in the cable is 0.40 meters, what is the tension in each side of the cable?
a. 12,200 N
c. 4900 N
b. 9800 N
d. 6100 N
[Ques. 5] A 500-N tightrope walker stands at the center of the rope. If the rope can withstand a tension of 1400 N without breaking, what is the minimum angle the rope can make with the horizontal?
a. 4
c. 10
b. 8
d. 15
[Ques. 6] A 500-N tightrope walker stands at the center of the rope such that each half of the rope makes an angle of 15.0 with the horizontal. What is the tension in the rope?
a. 1440 N
c. 480 N
b. 970 N
d. 2900 N
[Ques. 7] A sled weighs 100 N. It is held in place on a frictionless 30 slope by a rope attached to a stake at the top; the rope is parallel to the slope. What is the normal force acting on the sled?
a. 94 N
c. 50 N
b. 87 N
d. 34 N
[Ques. 8] A 4000-N weight is suspended in equilibrium by two cables. Cable 1 applies a horizontal force to the right of the object and has a tension T1 . Cable 2 applies a force upward and to the left at an angle of 37.0 to the negative x axis and has a tension T2 . Find T2.
a. 4000 N
c. 8310 N
b. 6650 N
d. 3340 N
[Ques. 9] A 4000-N weight is held suspended in equilibrium by two cables. Cable 1 applies a horizontal force to the right of the object and has a tension T1 . Cable 2 applies a force upward and to the left at an angle of 37.0 to the negative x axis and has a tension T2 . What is the tension T1?
a. 4000 N
c. 6250 N
b. 6640 N
d. 5310 N
[Ques. 10] In the terminology a 500-N block, the 500-N refers to the block's:
a. mass.
c. weight.
b. force.
d. None of the above.
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