Upward force question Jim and Mary are carrying Bob on a horizontal stretcher. The uniform stretcher is 2.00 m long and weighs 80 N. Bob weighs 600 N. Bobs center of gravity is 80 cm from Mary. Jim and Mary are at the ends of the stretcher. The upward force that Jim is exerting to support the stretcher with Bob on it is?? Choices are 280 N 320N 400N 380N 520N

Q: A 5.0-m-long,15-kg level plank is supported by two pivots that are resting on level ground at…

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Q: You leave the airport in College Station and fly 20.0 km in a direction 34.0° south of east. You…

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Q: A 560-N woman stands on top of a very tall ladder so she is at a height of 2*REarth. What is her…

A: Weight at surface of earth       Wo = 560 N Height (h) = 2Rearth

Q: QUESTION 9 A diver of mass 67.6 kg stands on one end of a diving board of mass 30.2 kg, as shown in…

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Q: Sierra holds a box in her hand using her elbow flexor muscles (see picture). Her forearm is at a 35°…

A: Angle of forearm relative to horizontal θ=35o Length of the elbow from box to joint L=0.28 m Weight…

Q: You are on a pirate ship and being forced to walk the plank. You are standing at the point marked C.…

A: Solution:-Given thatmass of person=73 kgmass of plank=45 kg

Q: A 69 kg person stands 1.5 m from left end of a uniform 6.2 m scaffold of mass 46 kg. A bucket of…

A: Given:Mass of the person ,mp=69 kgMass of scaffold,ms=46 kgMass of point bucket ,mb=19 kgFind the…

Q: A 25-kg ladder, 4 m long, rests on a rough floor and against a vertical wall. The ladder makes an…

A: Mass of the ladder, M=25 Kg Mass of the man, m=75 Kg Length of the ladder, L=4 m coefficient of…

Q: A street light hangs from a traffic pole as shown in the figure. The uniform aluminum pole AB is 7.2…

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Q: A 56 kg woman stands on a very light, rigid board that rests on a bathroom scale at each end, as…

A: Given,

Q: What is the reading on each of the scales? On the left scale Express your answer using two…

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Q: 1. A 1500-kg car has 3.5 m between its front and rear axles. When parked on a horizontal floor, it…

A: Draw the free body diagram of the car.

Q: A 94 gm meter stick has two objects attached to it, one of 83 gm at the 14 cm mark and the other of…

A: Given: mass of meter stick, ms = 94 gm = 94 × 10-3 kg , length = 100 cm mass of object 1, m1 = 83 gm…

Q: A 62-kg person stands at the end of a 4.0-m-long diving board, as shown in the illustration.…

A: we can analyze the problem by free body diagram of diving board as follows where N1 and N2 are…

Q: A person carries a plank of wood 2.00 m long with one hand pushing down on it at one end with a…

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Q: The centers of gravity of the three trucks parked on a hill are shown by the star. Which truck will…

A: The normal force and frictional force acting on all the three trucks will be the same.The position…

Q: Even when the head is held erect, as in Figure shown, its center of mass is not directly over the…

A: Given: W = 50 N In the given figure, take anti-clockwise torque as positive and clockwise torque as…

Q: A uniform beam of length L = 7.80 m and weight 3.75 × 10² N is carried by two workers, Sam and Joe,…

A: Step 1:Step 2:

Q: A uniform, 5.0-m-long, 30-kg plank is suspended from a high ceiling by two, uniform, massless,…

A: Given that:Length of the plank, L=5.0 mMass of plank, m=30 kgMass of painter, M=70 kg

Q: 2. A boy weighting 600 N sits 2.5 m from the center of the see-saw. If his friend weighs 750 N, how…

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Q: A 4-m long, 150-kg steel beam is attached to a wall with one end connected to a hinge that allows…

A: (a) Applying balance of moments,

Q: A uniform meterstick is supported at the 50 cm mark. A 25N weight is placed at the 10 cm mark. Where…

A: Rotation is when body revolves around a fixed axis. All the particles of body go circular motion. A…

Q: A diver of mass 69.8 kg stands on one end of a diving board of mass 24.8 kg, as shown in the…

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Q: In exercise physiology studies, it is sometimes important to determine the location of a person's…

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Q: A baseball bat balances 76.1 cm from one end. If a 0.500 kg glove is attached to that end, the…

A: Given data; The mass of the glove is m = 0.500 kg The distance of the balance point is x = 0.267 m…

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.