QUESTIONS 1. In the drawing to the right, a 90.0 cm long metal bar having a mass of 0.500 kg is supported by two strings as shown. a) Determine the value of the tension in each string. 60° 80 16° b) Calculate the position of the center of mass from the left end of the torque bar.

Q: A uniform 6.59 m long horizontal beam that weighs 269 N is attached to a wall by a pin connection…

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Q: Two forces are applied to a merry-go-round with a radius of 1.2 m. One force has a magnitude of 80 N…

A: radius = r = 1.2 mtwo forces F1 = 80 N (UP)F2 = 50 N ( Down)

Q: 1. The beam is supported by a rocker at A and a pin at B. The weight of the beam is negligible. a.…

A: The objective of the question is to draw a free-body diagram of the beam and determine the unknown…

Q: A 15.0 kg sign hangs from the end of a beam of length of 2.50 meters and mass 25.0 kg as shown in…

A:

Q: A 75 kg uniform plank is supported by the floor at one end and by a vertical rope at the other end…

A: Given : Mass of plank  m1 = 75 kg Mass of person m2 = 32 kg  (a) FREE BODY DIAGRAM : Net force and…

Q: Explain How to solve problems that involve rigid bodies in equilibrium.

A: Identify the system of one or multiple objects to be analyzed. Identify all forces acting on the…

Q: Ivana Alawi placed a 50.0 g mass at the 20 cm mark in meterstick as shown in the figure. what is the…

A: Correct option is 4. i e 93 grams

Q: (Q25-Q26) A uniform beam of weight 60 N and length 4.0 m is mounted by a small hinge on a wall. The…

A: 25) Answer: (B) counterclockwise

Q: A Vnd x L B mB

A: Given:mass, mA = 150 kgmass, mB = 120 kglength, L = 3 m…

Q: 7. Hanging around: Consider two identical metersticks tied together with a loose piece of string…

A: Given:  Two meterstick tied together.

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

A: Given data:    Fg1=390 N  Fg2=300 N Distance Between the forces, d=2.0 m

Q: Calculate the moment of couple formed by the shown forces, 1) By resolving each force into…

A: 1. The moment of the couple due to horizontal force,   MH=60cos20°×400×sin55°MH=18474.02…

Q: An 80-kg contruction worker is standing on a 6.0-m-long, 15-kg plank that is parallel to level…

A: We are given mass of man. We are also given mass of plank. We find the torque about the left end. We…

Q: 1) In Olympic 2016, Maddison Keeney with the mass of 50 kg was standing at the edge of a long and…

A: force that the fulcrum exerts on the board = 3250 Nforce that the bolt exerts on the board =…

Q: A device for exercising the upper leg muscle is shown in Figure shown, together with a schematic…

A: Here according to the first condition of equilibrium, the net force on system is zero and according…

Q: A part of a 4 cm long nail protrudes from the wall as shown in the figure. If a a force F is…

A: Solution: a). The angle between the applied force can be calculated using the given information. b).…

Q: A pitcher holds a baseball as shown below. The biceps muscle is attached to the radial bone 3.6…

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

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Q: .To balance a 35.5-kg automobile tire and wheel, a mechanic must place a 50.2-g lead weight 25.0 cm…

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Q: A 15.0 kg sign hangs from the end of a beam of length of 2.50 meters and mass 25.0 kg as shown in…

A: Given: The beam of the cable is 2.5 m. The mass of the beam is 25 kg. The length of the cable is 3.5…

Q: A uniform beam of mass m is pivoted at its lower end, with a horizontal spring attached between its…

A: Mass of beam =m Angle =θ

Q: 200 kg A uniform vertical rod, mass 100,0 kg, is attached at point A by means of a hinge to the…

A:

Q: A horizontal 8.0 m long 57 N uniform bar at one end is attached to a wall by a frictionless hinge…

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Q: Two forces are applied to a merry-go-round with a radius of 1.2 m. One force has a magnitude of 80 N…

A:

Q: A horizontal beam of mass 90.2 kg and length 25.0 m rest on two supports A and B as shown. The…

A: Since both the reactions are positive, this is a stable position.

Q: Which of the following statement/s is/are TRUE? A In equilibrium, the net torque is maximum. B In…

A: Let's check each option one by one  A. In equilibrium  net torque is maximum  Incorrect  statement…

Q: a force acts on an A-truss as shown. Determine the value of the individual torques and the total…

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Q: a.) In the following free body diagram of the knee and lower leg, draw the moment arm (dw) for the…

A: Weight force is Fwt  Muscle force is Fm

Q: There is a seesaw. On one side sits a child (25kg) and on the other, 2.2m away, an adult (75kg).  1.…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank…

Q: Determine the tension in the cable.

A: Newton's Second Law of Motion for rotation The net torque acting on a system is equal to the product…

Q: 3. Which of the following statement is true? A. A rotating object or system will never be in…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A cable with 10000 N tension is applied to the top of a 15 metre structure. a) Calculate the…

A: Solution: F = 10000N Height = 15 m angle = 35 degree

Q: A 10.6 m long uniform ladder that weighs 428 N is resting against a very slimy wet moss covered wall…

A: GivenLength of ladder, L=10.6 mWeight of ladder,W=428 NWeight of firefighter,w=785 N

Q: 3. Three kids stand on a see-saw as shown. The see-saw has a uniform cross section and weighs 15 lb,…

A: Approach to solving the question: Detailed explanation: Examples: Key references:

Q: The mass center G of the 1345-kg rear-engine car is located as shown in the figure. Determine the…

A: Given  Mass of car, M = 1345 kg   Acceleration due to gravity, g = 9.81 m/s2 Also,  1308 mm = 1.308…

Q: The fishing pole in the figure below makes an angle of 20.0° with the horizontal. What is the torque…

A: Given data: The force applied by the fish is F = 90 N. The length of between force and hand is…

Q: The fishing pole in the figure below makes an angle of 20.0° with the horizontal. What is the…

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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: Suppose a horse leans against a wall as shown in the figure. The total of the horse and rider is 500…

A:

Center of Gravity of a system

The centre of gravity is a property that is based on the geometry of a rigid body or any particle. It is described as an equilibrium point or a hypothetical location where the total weight of the body is concentrated.