Physics

The boom of a crane is 20 m long and is inclined 20ᵒ from the horizontal. A bucket of cement with a mass of 3000 kg is suspended from the upper end of the boom. What is the torque acting on the point where the boom is attached to the crane?
A. 5.5 x 105 Nm.
B. 3.5 x 105 Nm.
C. 4.5 x 105 Nm.
D. 2.0 x 105 Nm.
E. 2.0 x 104 Nm

  1. 👍
  2. 👎
  3. 👁
  1. need help with this too

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    A bucket crane consists of a uniform boom of mass M = 201 kg and length L = 59.05 ft that pivots at a point on the bed of a fixed truck. The truck supports an elevated bucket with a worker inside at the other end of the boom, as

  2. physics

    A 25 ft long crane supported at its lower end by a pin is elevated by a horizontal cable. A 250 lb load is suspended from the outer end of the crane. The center of gravity of the crane is 10 ft from the pin and the crane weighs

  3. science

    A crane lifts a 100-kg concrete block to a vertical height of 25 m. Determine the work done by the crane.

  4. English

    1. All of the following lines from "Cranes" demonstrate the story's message about the effects of war on people except. A. "The northern village at the border of the Thirty-eighth Parallel was snugly settled under the high, bright

  1. Physics

    The arm of a crane at a construction site is 16.0 m long, and it makes an angle of 13.9 ◦ with the horizontal. Assume that the maximum load the crane can handle is limited by the amount of torque the load produces around the

  2. physics

    A crane in a marble quarry is mounted on the rock walls of the quarry and is supporting a 2900kg slab of marble as shown in the figure. The center of mass of the 750kg boom is located one-third of the way from the pivot end of its

  3. Physics

    A block slides from rest from the top of a plane 8m long and inclined 35o with the horizontal. If the coefficient of friction is 0.20, find how long it will take the body to reach the bottom of the plane.

  4. Physics

    A box weighing 215 N is placed on an inclined plane that makes a 55 degree angle with the horizontal. Compute the component of the gravitional force acting down the inclined plane.

  1. physics

    A crate of mass 50kg is pulled up a rough inclined plane ,inclined at an angle of 60 degree to the horizontal.determine the total work done in moving the crate to the top of the inclined 200 meter hight.(show workin).

  2. Physics

    Fig.19 shows a crane lifting a car of mass 850 kg at constant velocity through a height of 12m in a time of 40s. The crane has a working efficiency of 60%. i) Calculate the tension in the lifting cable (in N) ii) Calculate the

  3. Physics

    After an unfortunate accident at a local warehouse you have been contracted to determine the cause. A jib crane collapsed and injured a worker. The horizontal steel beam had a mass of 88.50 kg per meter of length and the tension

  4. physics

    a machine weighing 1500N is supported bt two chains attached to some point on the machine.one of these ropes goes to the eye bolt in the well & is inclined 30 degrees to the horizontal & the other goes to the hook in ceiling & is

You can view more similar questions or ask a new question.