Determine the magnitude of the force P required to hold the 110-lb weight in equilibrium.
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Determine the magnitude of the force P required to hold the 110-lb weight in equilibrium.
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- A 14.0 m uniform ladder weighing 480 N rests against a frictionless wall. The ladder makes a 59.0⁰-angle with the horizontal. (a) Find the horizontal and vertical forces (in N) the ground exerts on the base of the ladder when an 850-N firefighter has climbed 3.90 m along the ladder from the bottom. horizontal force magnitude direction vertical force ---Select--- N magnitude direction |---Select--- ✓ (b) If the ladder is just on the verge of slipping when the firefighter is 9.40 m from the bottom, what is the coefficient of static friction between ladder and ground? N m (c) What If? If oil is spilled on the ground, causing the coefficient of static friction to drop to half the value found in part (b), what is the maximum distance (in m) the firefighter can climb along the ladder from the bottom before the ladder slips?3. A uniform beam of mass 20 kg is suspended horizontally by a wall at one end and a cable that makes an angle of 0= 30° with the beam at the other end. The cable can sustain a maximum tension of 300 N before it breaks. a) What is the farthest distance from the wall (x) that a 10 kg mass can be suspended without the upper cable breaking? b) When x has this value what is the force exerted by the wall onto the beam? Wall 10 kg 10 mA uniform 22 kg beam, 3.0 m long, is attached to a wall on the left by a hinge, and is supported by a cable on its right end. A 13 kg monkey hangs from the beam, 1.0 m from the left end. a) Determine the tension in the cable. b) Determine the magnitude of the force due to the hinge on the beam.
- Rope A lies in the +x direction and rope B is 120o counterclockwise from rope A (they are tied together at the origin). Rope C is also attached to rope A and B at the origin. If rope A has 3.0 units of force, and rope B is pulling with 5.0 units of force, how many units of force, and in what direction must rope C pull to balance and create a static equilibrium with the other two ropes?Q18a 1001 N uniform beam is attached to a vertical wall at one end and js supported by a cable at the other end 1550 N crate hangs from the far end of the beam find the magnitude if the tension in the wire the angle theta is 21 degrees and phi is 32 degrees length of beam is L
- The uniform diving board has a mass of 26 kg. Find the force on the support A when a 69 kg diver stands at the end of the diving board. E 09 m + 3.6 m AA 25-ft crane supported at its lower end by a pin is elevated by a horizontal cable. A 250-lb load is suspended through the cable. The center of gravity of the crane is 10 ft from the pin, and the crane weighs 200 lb. Hint: You don't have to convert the unit since they cancel out on both sides. 25. Find the tension in the cable. T $25016 26. Find the total force acting on the pin. y 27. Find the direction of the force acting on the pin, o = ? 60⁰° W(2001b)A uniform drawbridge must be held at a 38o angle above the horizontal to allow ships to pass underneath. The drawbridge weights 55000 N and is 15.0 m long. A cable is connected 3.5 m from the hinge where the bridge pivots (measured along the bridge) and pulls horizontally on the bridge to hold it in place. What is the tension in the cable? Find the magnitude and direction of the force the hinge exerts on the bridge. If the cable suddenly breaks, what is the magnitude of the angular acceleration of the drawbridge just after the cable breaks? What is the angular speed of the drawbridge as it becomes horizontal? What is the velocity of the drawbridge, just before it “hits” (i.e. goes horizontal)?
- A shelf bracket is mounted on a vertical wall by a single screw. S S2 S1 Neglecting the weight of the bracket, and if s = 6.4 cm, s1 the horizontal force component exerted on the bracket by the screw when a 95.2 N vertical force is applied as shown. Imagine that the bracket is slightly loose. 5.4 cm and s2 = 2.2 cm, find =Let's consider two vectors, A = (-7, 10), B = (-5, -8), and C = (-1, 6) as shown below. A C B What is the magnitude of A+ B+ C? Answer What is the direction (8) of A+B+C relative to +x-axis? a-839 b. 20 C-85 3 d. 148°26