Q. A 75.0 kg boulder is placed at a distance of 1.40 m from the right end of a uniform 2.00 m long 20.0 kg board. Two people support the board one at the right end and the other at the left end of the board. (a) Draw a force diagram of the situation. (b) Determine the upward force exerted on the board by each person.
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- In Problem 10, the mass of the sign is 25.4 kg, and the mass of the potted plant is 66.7 kg. a. Assuming the objects are in equilibrium, determine the magnitude of the static friction force experienced by the potted plant. b. What is the maximum value of the static friction force if the coefficient of static friction between the pot and the roof is 0.572?t The center of mass of the arm shown in the figure is at point A. Find the magnitudes (in N) of the tension force F, and the force F which hold the arm in equilibrium. (Let 8 = 24.0º.) Assume the weight of the arm is 44.7 N. S 0 8.00 cm N e N 29.0 cm. FA setup similar to the one shown in the figure below is often used in hospitals to support and apply a horizontal traction force to an injured leg. (Let m = 5.25 kg and 8 = 75.0°.) (a) Determine the force of tension in the rope supporting the leg. N (b) What is the traction force exerted to the right on the leg? Additional Materials еВook
- Need typed solution plz.I have a shelf full of textbookd.Each book has a mass of 1.0 kg and mus=0.3. a. How hard do I need to push horizontally to unstick the top book from the rest of the pile? b. How many books can I unstick from the top of the pile if I push with a force of 16N?A hungry bear weighing 700. N walks out on a beam in an attempt to retrieve a basket of goodies hanging at the end of the beam. The beam is uniform, weighs 200. N, and is 6.00 m long, and it is supported by a wire at an angle of 60°. The basket weighs 80.0 N. a. Draw a force diagram for the beam. b. When the bear is at 1.00 m, find the tension in the wire supporting the beam and the components of the force exerted by the wall on the left end of the beam. c. If the wire can withstand a maximum tension of 900. N, what is the maximum distance the bear can walk before the wire breaks?
- A 2.0 kg box is placed on a wooden board with a static coefficient of friction= 0.2 and a kinetic coefficient of friction= 0.1. You slowly raise one side of the board until the box begins to slide. a) What will be the angle of the inclination of the board? b) Keeping the board at that angle, what will be the acceleration of the box?A 40 kg horizontal bar is rested on the ledge and supported by a cable. A 70 kg block is hanging from the right end of the bar. The bar has a length L and is at rest. a) Find the tension in the cable. b) Find the normal force of the ledge on the bar.A6
- Hazel stands on the edge of a lookout admiring the view of a waterfall. The lookout is supported by a horizontal cantilever beam of length 4.5 m. Hazel's mass is 60 kg 4.5 m What is the upward force on the beam? Use g = 9.81 m/s2 for the acceleration due to gravity.Two uniform, 75.0 g marbles 2.00 cm in diameter are stacked as shown in Fig. in a container that is 3.00 cm wide. (a) Find the force that the container exerts on the marbles at the points of contact A, B, and C. (b) What force does each marble exert on the other?A painter with 80 weight is on a 4 meters long platform. Platform has negligible weight. The painter is balanced by two cables. One is at the left end and the other one is 3.2 meters away from the first cable. a)What is the tension on the left cable and the right cable when the painter is in the middle of the platform b)Would the painter be able to move the right end of the platform without loosing balance. Calculate the tensions on the cables for that case and show that it leads to a negative tension.