A 67.0 kg adult sits at one end of a 10.0 m board, on the other end of which sits his 23.0 kg child. Where should the pivot be placed so the board is balanced if the board has a mass of 12.0 kg? (The board’s center of gravity is at the center of the board.)

Q: Problem 7:  Two children of mass 17 kg and 32 kg sit balanced on a seesaw with the pivot point…

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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 diving board of length 4.00 m is supported at a point 1.50 m from the end, and a diver weighing…

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Q: Two children of mass 19 kg and 29 kg sit balanced on a seesaw with the pivot point located at the…

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Q: A 40kg dog and a 30kg cat are sitting on either end of a long board balanced precariously on a pivot…

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Q: Big Sister and Little Brother are balanced on a see-saw. Big Sister sits a distance of 1.13m away…

A: Please see the attached image for the solution.   If there are queries or if the image is not…

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: Create a simple balance using a ruler as the balance beam and a pencil as the fulcrum. Put 2 nickels…

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Q: A 55-kg woman stands on the end of a uniform board, which is supported one-quarter of the way from…

A: m=55 kg

Q: In the figure, a uniform beam of weight 420 N and length 3.4 m is suspended horizontally. On the…

A: The value of D is 0.661 m

Q: A painter (mass 72 kg) is walking along a trestle, consisting of a uniform plank (mass 28.5 kg,…

A: Given, Mass of painter, mp=72 kg, mass of plank, mplank=28.5 kg, length of plank, lplank=6 m, Mass…

Q: The figure shows a 4.20-kg, 1.80-m-long rod hinged to a vertical wall and supported by a thin wire.…

A: Given Data: The mass of the rod, M = 4.20 kg. The length of the rod, L = 1.80 m. The wire and the…

Q: To get up on the roof, a person (mass 87.0 kg) places a 5.60 m aluminum ladder (mass 14.0 kg)…

A: Given data: The mass of person, M=87.0 kg The mass of aluminum ladder, m=14.0 kg The length of…

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

A: The weight of the beam acts downwards at its center of mass, which is at the midpoint of the beam,…

Q: A lady weighing 450 N sits on one end of a seesaw that is 3 m long and is pivoted 1.3 m from the…

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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.