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- A block of weight w is suspended from a rope tied to two other ropes at point O. One rope ishorizontally attached to a wall and the other is fastened to the ceiling. The angle betweenceiling and the rope is 60°. What are the tensions in each of the ropes? Assume the weights ofthe ropes and the knots are negligible. If the weight of the block is 100 N, what is the tension inthe ceiling rope?(a) Find the tension in each cable supporting the 588-N cat burglar. (Assume the angle θ of the inclined cable is 30.0°.) inclined cable N horizontal cable N vertical cable N (b) Suppose the horizontal cable were reattached higher up on the wall. Would the tension in the inclined cable increase, decrease, or stay the same?Five forces are acting on the cantilever beam AB.Find the resultant or a couple acting on the cantilever beam.
- A persons head is bent over a book. The head weighs P=37.2 N and is supported by the muscle force Fm exerted by the neck extensor muscles and by the contact force Fc excerted at the atlantooccipital joint. Given that the magnitude of Fm is 60.0 N and is directed 35.0 degree below the horizontal. Find the direction of the contact force Fc. If the direction is below the horizontal, enter a negative value.Consider the figure below. (a) Find the tension in each cable supporting the 504-N cat burglar. (Assume the angle e of the inclined cable is 38.0°.) inclined cable horizontal cable N vertical cable (b) Suppose the horizontal cable were reattached higher up on the wall. Would the tension in the inclined cable increase, decrease, or stay the same? O increase O decrease O stay the sameThe drawing shows a per- son (weight, W = 584 N) doing push-ups. Find the normal force exerted by the floor on each hand and each foot, assum- 12. ing that the person holds this position. 0.840 m 0.410 m
- A student's head is bent over her physics book. The head weighs P = 25.6 N and is supported by the muscle force Fm exerted by the neck extensor muscles and by the contact force Fc exerted at the atlantooccipital joint. Given that the magnitude of Fm is 60.0 N and is directed 35.0° below the horizontal. PN Find the magnitude of the contact force F. . |NMbeom? 20kg (coble has negligible mass) wall cable Msign 10 leg a) draw Free Buoly diagrom of beom include 3 smpport forces (T, Wx, Wy) d weights %3D 30° beom sign -→ welcome!! b) Find thee tension in the cable (T) c) Find the horizontal ond vertizal components of the force the well exerts on the beam (Wx and Wy)Two forces pull on a body that rests on a smooth horizontal surface: One is 30 N 50o S of E and the other is 40 N 45o S of W. Determine the resultant of the two forces using the triangle method.
- . If R is the resultant of the forces P and Q, find P and Q.Let three masses m1, m2 and m3 are hanging from a common point using a thread. Draw the force diagram showing all the forces on the masses when they are in equilibrium. Ĉ Vilo V;10Consider the figure below. (a) Find the tension in each cable supporting the 640-N cat burglar. (Assume the angle 0 of the inclined cable is 31.0°.) inclined cable horizontal cable N vertical cable (b) Suppose the horizontal cable were reattached higher up on the wall. Would the tension in the inclined cable increase, decrease, or stay the same? O increase decrease O stay the same