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(Solved) 0 kg wagon as shown below. The rope on the left is pulled at an angle 40 to the horizontal with a tension of 30.0N and while the rope on the right is...


Hi, I've been having trouble with these few questions, if you could explain the answer in full detail, it would really help me a lot. Thank you

1. Two ropes are attached to either side of a 25.0 kg wagon as shown below. The rope on
the left is pulled at an angle 40° to the horizontal with a tension of 30.0N and while the rope
on the right is pulled directly to the east (0° relative to the horizontal) with a tension of 55.0N. a) Find the components of the tension forces applied by the ropes. Show all work. b) Find the net force in the x (horizontal) direction assuming no friction. Show all work. c) Find the net acceleration of the wagon in the horizontal direction. Show all work. 2. A 5.0 kg block rests on a level surface. The coefficient of static friction is µ s = 0.80, and
the coefficient of kinetic friction is µk = 0.65. A horizontal force, F, is applied to the block.
As F is increased, the block begins moving.
a) Find the minimum force, F, required for the block to just start to move.
b) Find the force, F, required for the block to continue to move at a constant velocity.
c) Explain what happens to the motion of the block if a force is applied greater than those
found above. 3. A 6.0 x 103 kg steel beam is lifted by a large crane. The beam accelerates upward at 0.75
m/s . Find the force that was applied. Show all your work.
2

 


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