A 120-kg man balances the boy on a teeter-totter as shown. Note: Ignore the weight of the board. boy man fulcrum 4 m What is the approximate mass of the boy? A) 10 kg B) 20 kg C) 30 kg D) 40 kg E) 50 kg Show all calculations.

Q: Weight of 0.2N and 0.5N are placed at the 30cm and 80cm marks respectively on a meter rule. If the…

A: Given:- Weight of 0.2N and 0.5N are placed at the 30cm and 80cm marks respectively on a meter rule.…

Q: A box of mass 5 kg is placed 1.5 m at the end of a plank pivoted in the middle. Another box of mass…

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Q: Do it asap

A: Given data:  Mass of board, m=20 kg Mass of child sitting at a distance, x1=2.5 m from the pivot…

Q: An 80-kg man balances the boy on a teeter-totter as shown. Note: Ignore the weight of the board.…

A:

Q: The purpose of plumb line in a physical balance and in the hands of a mason is same. If so, what is…

A: Physical balance is a weight measuring device. It is used to find the weight of a unknown object by…

Q: A 120-kg man balances the boy on a teeter-totter as shown. Note: Ignore the weight of the board. boy…

A: As the two boys of different masses get on each ends of the totter, in order to maintain balance,…

Q: One person was doing a knee extensor muscle training, he used a dumbbell (mass = 10.2 kg) strapped…

A: The objective of this question is to calculate the force that the knee extensor muscle must produce…

Q: A 44 kg, 5.2-m-long beam is supported, but not attached to, the two posts in (Figure 1). A 25 kg boy…

A: Mass of beam, M = 44 kgLength, l = 5.2 mMass of boy, m = 25 kgBeam supported till, X = 3 m

Q: A plank has a length of 3.50 meters and is supported by a pivot point at the center. Justin with a…

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Q: A 12.0 m boom (along points A to B) of a crane lifting a 3000 kg load, as shown below. The center of…

A: Write the given values to the suitable variables.Here, , and  are the length of the boom, the mass…

Q: A tightrope walks across a 30-m long wire tied between two polesThe center of the wire is displaced…

A: Given: Length of the wire is 30 m. Tension in each half of the wire is 6294 N Let the man be located…

Q: You have a 9.25 kg brick and a 7.50 kg brick, one on either side of our balance beam. If the 9.25 kg…

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Q: Two children of mass 15 kg and 40 kg sit balanced on a seesaw with the pivot point located at the…

A: Given data: The mass of bigger child, m1=40 kg. The mass of smaller child, m2=15 kg. The distance…

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: 5) 100cm ✓ T A uniform meterstick with a mass of 175. grams is placed on a fulcrum. A weight of 521.…

A: To solve this we find the center mass of the two sections of the meterstick and find the moments due…

Q: 1.A 30-kg boy is seated at one end of a 2.0 m long seesaw. Where should a 50-kg man be seated to…

A: mass of boy (m) = 30 kg Length of see saw (L) = 2 m distance of boy from the fulcrum = L2= 2 m2= 1 m…

Q: An 80-kg man balances the boy on a teeter-totter as shown. Note: Ignore the weight of the board.…

A:

Q: What is the value of the force (F) in the unit of N required to balance the system in the figure?…

A:

Q: Weight of 0.2N and 0.5N are placed at the 30cm and 80cm marks respectively on a meter rule. If the…

A: The meter rule AE is shown below with forces attached with it. Assume that the weight of the meter…

Q: The uniform seesaw is balanced at its center of mass, as seen below. The smaller boy on the right…

A: Write the formula for the torque. The weight of a boy will be:

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: 3.4 kg mass is plac A horizontal 15 kg balance beam is 4.8 m in length and has its center of mass at…

A: Given: Mass of horizontal balance M = 15 kg Mass of an object m = 3.4 kg. Distance d = 1.3 m.

Q: What is the value of the force (F) in the unit of N required to balance the system in the figure?…

A: Mass of object = 9 kg  Theta = 37 degree Value of g = 10m/s2

Q: A meter stick has a pivot that is located in the middle (50 cm). On this meter stick we place 150 g…

A: Here, the resultant torque must be zero.

Q: One person was doing a knee extensor muscle training, he used a dumbbell (mass = 10.2 kg) strapped…

A: Ans is in imageExplanation:Step 1: Step 2: Step 3: Step 4:

Q: In the two diagrams shown, M₁3 kg and M₂= 12 kg. Both assemblies of masses are on identical sticks…

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Q: A 20.0-m-long uniform beam weighing 700 N rests on walls A and B, as shown in the figure below. с…

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Q: If M1=M2=100g. What must be the value of M3 to keep the system below balanced disregard the mass of…

A: Given data, m1 = m2 = 100 gm Distance of m1 from point S = 40+30 = 70 cm Distance of m2 from point S…

Q: 18) 0.3 m 0.7 m M Figure A2 If the mass of the plank is 8.8 kg what mass (M) is needed to balance…

A: Mass of the plank is given as, m1 = 8.8 kg Distance between the fulcrum and the plank is given as,…

Q: Alice is going on a picnic and is aware that it will be easier to carry the picnic basket if it…

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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: The wheels, axle, and handles of a wheelbarrow weigh W= 68 N. The load chamber and its contents…

A: GivenW =68 NWL = 591 N

Q: Consider a 80 kg man and his 20 kg son balancing on a seesaw, which is a uniform board 2 m long and…

A: Given that:- Mass of father=80kg Mass of son=20kg

Q: make the child lift off the ground? a) 0.82 m b) 1.0 m c) 0.56 m d) 0.47 m e) 1.5 m

A: Let the required distance be x. the situation is shown in figure below.

Q: Calixta whose mass is 60 kg stands 1.5 m away from one end of a uniform 6.0-m-long plank of mass…

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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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