A uniform plank of length 5.85m and mass 32.8kg rests horizontally across two horizontal bars of a scaffold. The bars are 3.70m apart, and 2.15m of the plank hangs over one side of the scaffold. How far can a painter of mass 74.2kg walk on the overhanging part of the plank before it tips?

Q: A tightrope walker stands on a wire that is supported by a pole at each end. The tightrope walker…

A: Given that the tension in wire is3.42×103 N, and it makes an angle of 6.2°. The young’s modulus of…

Q: A uniform ladder is 10 m long and weighs 200 N.  The ladder leans against a vertical, frictionless…

A: Given data: The length of the ladder is L=10 m. The weight of the ladder is W=200 N. The height of…

Q: The light boom AB is attached to a vertical wall by a ball and socket joint at A and supported by…

A: Calculate the position coordinates of points O, A, B, C, and D.

Q: A person is standing on a section of uniform scaffolding as shown in the figure. The section of…

A: The weight of the scaffold acts at the midpoint, L2=1.50m2= 0.750m Weight of the scaffold is…

Q: A 53.9 kg, 4.7 m uniform ladder leans against a frictionless wall. A 81.9 kg person is standing on…

A: Given data- mass of ladder ml=53.9 kg, and length of ladder L=4.7 m mass of person m=81.9 kg, is…

Q: A 520-N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal,…

A:

Q: Equilibrium: A 10.0-kg uniform ladder that is 2.50 m long is placed against a smooth vertical wall…

A:

Q: A house painter stands 3.00 m above the ground on a 5.00-m-long ladder that leans against the wall…

A:

Q: house painter is standing on a uniform, horizontal platform that is held in equilibrium by two…

A:

Q: A 350 N uniform boom is supported by a perpendicular cable attached at 0.7 its length from the…

A: Weight of rod = 350 Nength of rod =0.7 θ =60° Mass of boom=1050N

Q: 20.0m ladder of weight of 500 leans against a smooth vertical wall. A painter, whose weight is 900…

A: Given: Ladder length, l = 20 mLadder weight, W = 500 NLadder weight acting from bottom distance = 8…

Q: 37° 10 m A uniform beam of length 10 m and weight 60 N is attached to a wall by a cable as shown in…

A:

Q: A 3 meter long beam with weight 300 N is supported by a hinge at the wall and a cable as shown. A…

A:

Q: e bones of the forearm about 2.15 cm beyond the joint. Assume the forearm has a mass of 2.45 kg and…

A: Given values:- Biceps muscle connects to the bones of the forearm,(r0)=2.15 cm=0.0215 m -----(1)…

Q: A 3.1 m uniform ladder weighing 80.0 N is placed against a smooth wall so that its lower end is 2.0…

A:

Q: A uniform 34.0-kg beam of length equal to 4.55 m is supported by a vertical rope located 1.20 m from…

A: Given information: Mass of the uniform beam m=34.0 kg. Length of the uniform beam l=4.55 m.…

Q: Abeam with a length of 3.50 m and a weight of 200 N is attached on one end to a vertical wall with a…

A: Given, Weight of beam, W=200N Length of a beam, L=3.5m Weight of the box, w=50N   Let the reactions…

Q: A uniform plank of length 5.05m and mass 32.4kg rests horizontally across two horizontal bars of a…

A:

Q: A uniform platform with mass M=30kg and length L=15m is placed on two supports as shown. The…

A: A mass of a uniform platform,

Q: A 400-N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal,…

A:

Q: A 10-m beam of mass 280 kg extends over a ledge. The beam is not attached, but simply rests on the…

A: Given: Length of beam,L = 10 m  mass of beam,M =280 kg  mass of student,m = 76 kg

Q: A uniform beam of length 10 m and mass 100 kg is supported by pylons on either end.  A 200 kg box is…

A:

Q: Part A How much work is done by each of the three forces? Express your answers using three…

A:

Q: Consider a rigid steel beam of length L = 11.5 m and mass mb = 405 kg resting on two supports, one…

A: Write the force balance equilibrium equation for the given system and substitute the known values.

Q: A uniform metal bar is 5.00 m long and has mass 0.300 kg. The bar is pivoted on a narrow support…

A: Given that:length of the bar, L=5.0 mMass of bar, M=0.300 kgAttached mass, m=0.100 kg

Q: A 75-kg adult sits at one end of a 9.0 m long board. His 25-kg child sits on the other end. (a)…

A:

Q: in length with m

A: GivenLenth of plank, L=8 mMass of plank, M=65 kg

Q: A 520-N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal,…

A: Torque on a body is given by the cross product of force acting on it and the distance between the…

Q: A mechanic hangs a sign outside the workshop as shown below. The 200.0-N sign hangs from a beam that…

A:

Q: A uniform 8.00 m, 1500 kg beat is hinged to a wall and supported by a thin cable attached 2.00 m…

A:

Q: 5.0m long uniform ladder leans against a smooth wall and its base rests on a rough floor. The ladder…

A: Mass of ladder m= 18.0kg Length of ladder L = 5.0 m The base of ladder is a distance of  d= 2.3 m…

Q: Consider a see-saw of total length 5.40m balanced at its center of mass, with a child of mass…

A: Draw the free-body diagram of the system.

Q: A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1m of…

A:

Q: A person is standing on a section of uniform scatfolding as shown in the figure. The section of…

A:

Q: You are asked to hang a uniform beam and sign using a cable that has a breaking strength of 417 N.…

A:

Q: A 30kg ladder is leaning against the wall. The ladder is 8m long and the base of the ladder is 2.5m…

A: To find:The force push against the ladder.Given:The weight of the ladder acts downward from its…

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.