physics help me please
posted by student on .
A 1220 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1990 N crate hangs from the far end of the beamThe angle between the beam and the horizontal is 30 degrees upwards and the angle between the horizontal and the cable attached to the wall is 50 degrees upward.
a) Calculate the magnitude of the tension in the wire.
(b) Calculate the magnitude of the horizontal and vertical components of the force that the wall exerts on the left end of the beam.
a) Is the beam attached to the wall by a hinge? If not, your problem is not statically determinete.
If hinged, set the moment about that hinge equal to zero and solve for the cable tension. Make sure you include the moment due to the weight of the beam, acting at its center of mass.
b) After you have the cable tension, perform vertical and horizontal force balances to compute the two force components at the hinge.
two tugboats are towing a ship. Each exerts a force of 600N and the angle between the two ropes is 60degree calculate the resultant force on the ship