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: 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…
A:
Q: A meter stick has a mass of 0.18 kg and balances at its center. When a small chain is suspended from…
A: Given:- The mass of the meter stick is M = 0.18 kg The meter stick is balanced at its center. A…
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: In the figure, a 60 kgkg man walks out on a 14 kgkg beam that rests on, but is not attached to, two…
A: Given :- mass of man = 60 Kg mass of beam = 14 kg
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: 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: What mass should be placed at the left end so that the balance will be restored? 1. 1.0 kg 2. 2.0…
A:
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: A little league player balances a bat 65.0 cm from one end. She then hangs her 0.540-kg batting…
A: CM of bat is at 65cm When helmet of 0.54 kg hung then balance shifted to 24.5cm
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: A person bending forward to lift a load "with his back" (Figure a) rather than "with his knees" can…
A:
Q: Two masses are attached to a uniform meter stick as shown in the figure. The masses of m1 and m2 are…
A: For equilibrium net force as well as net torque acting on the system must be zero. So clockwise…
Q: The arm in the figure below weighs 35.5 N. The force of gravity acting on the arm acts through point…
A:
Q: Soon-Yi is building a mobile to hang over her baby’s crib. She hangs a 0.020 kg toy sailboat 0.010…
A: Length of bar = 0.5 m Distance between toy sailboat and toy truck = 0.5 - 0.01 - 0.2 = 0.29 m Let…
Q: A thin 2.50 kg box rests on a 6.00 kg board that hangs over the end of a table, as shown in (Figure…
A: How far can the center of the box be from the end of the table before the board begins to tilt?…
Q: A thin 2.00 kg box rests on a 6.00 kg board that hangs over the end of a table, as shown. How far…
A:
Q: rotating door is made from four rectangular glass panes, as shown in the drawing. The mass of each…
A:
Q: 2. The rock and meterstick balance at the 25 cm mark, as shown. The meterstick has a mass of 0.5 Kg.…
A: Given That: The rock and meterstick balance at, r=25 cm Mass of meterstick, m=0.5 kg Let's Assume…
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: 110 N_40. Wi
A:
Q: The figure above shows a uniform meters stick that has a pivot placed at its center. A force of…
A: The given configuration is shown below Assume that 1 unit distance on the scale is = x
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…
A:
Q: A 20.0-m-long uniform beam weighing 700 N rests on walls A and B, as shown in the figure below. с…
A:
Q: A 70 kg man walks out on a 10 kg beam that rests on, but is not attached to, two supports. When the…
A: At the equilibrium the sum of the forces acts on the beam when it just starts to tip is zero. The…
Q: Alice is going on a picnic and is aware that it will be easier to carry the picnic basket if it…
A:
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: 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: Hi please help!: A horizontal 14 kg balance beam is 4.8 m in length and has its center of mass at…
A: Given data: The mass of the beam is M=14 kg The length of the beam is L=4.8 m The mass of the object…
Q: A child stands with one foot on each of two identical bathroom weighing scales. The child leans her…
A: Given, mL=23.0 kgmR=14.0 kgR=40.0 cm
Q: A little league player balances a bat 67.0 cm from one end. She then hangs her 0.540-kg batting…
A: Mass of the Bat is M kg Mass of the helmet is m = 0.540 kg Center of mass point is x =24 cm…
Q: 17. A 0,25 kg meterstick has a 2kg mass suspended from the 80 cm mark and a 0.5 kg mass suspended…
A:
Q: A uniform meter stick with a mass of 175. grams is placed on a fulcrum. A weight of grams is placed…
A: To solve this we find the center mass of the two sections of the meterstick and find the moments due…
Q: 3. Bob and Tom are on opposite sides of a 12 foot see-saw (teeter totter). Bob weight’s 96.6…
A:
Q: The figure shows a 1280 kg car that has slipped over the edge of an embankment. People are trying to…
A:
Q: Two children of mass 25 kg and 26 kg sit balanced on a seesaw with the pivot point located at the…
A: Given Data:- Mass of the two children is m1=25 kg, m2=26 kg Distance of separation between the two…
Q: To strengthen his arm and chest muscles, a 79-kg athlete 2.0 m tall is doing a series of push-ups as…
A:
Q: A 100 kg man balances a boy with mass of 25 kg on a teeter-totter,If the man is at 2 meters from the…
A: We equate the moments created by them on either side of the teeter-totter to find the boy's distance…
Q: The rock and meterstick balance at the 25-cm mark, as shown. The meterstick has a mass of 1 kg. What…
A: Given: mass of the stick = 1 kg Length of meter-stick = 1m = 100 cm The stick is balanced at 25 cm…
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…
Q: Two pants of a balance are 26.6 cm apart the fulcrum of the balance has been shifted 0.752 cm away…
A:
Q: Two children of mass 21 kg and 26 kg sit balanced on a seesaw with the pivot point located at the…
A: Let r be defined as the distance from the pivot point of the small child. Then the distance of the…
Q: A lunch tray is being held in one hand, as the figure illustrates. The mass of the tray itself is…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images