3. A 15-kg child and a 25-kg child sit at opposite ends of a 4.0-m seesaw pivoted at its center. Where should a third child whose mass is 20-kg sit in order to balance the seesaw?
Q: 3. A woman stands on the end of a 12 m long uniform beam that has a pivot 3 m from the end the woman…
A: The beam will be balanced when the net torque on it is zero.
Q: 3) A 3.5 m seesaw is pivoted in the middle. A 95.0 kg man sits at one end and a 70.0 kg boy sits at…
A: Answer...
Q: A force 107 N is applied to a rigid body. If the moment arm with respect to a given point O is = 5…
A: Given: F→=10i^ N r→=5j^ N Introduction: The torque is calculated by taking the product of the force…
Q: children decide to make a crane for their dogs bone (Picture attached). The boom (a piece of wood)…
A: Given: Weight of wood is 10 N Weight of bone is 5N Tension is 30.15N To find: the magnitude of the…
Q: 10. Danny, who weighs 312 N, and Savannah, who weighs 195 N are about to play on a 5.00 m seesaw.…
A: Weight of Danny = 312 N Weight of Savannah = 195 N length of seesaw (D) = 5 m Let the distance of…
Q: 16. A 20kg block of Aluminum (p=2700kg/m» is about to be pulled out from the bottom of the sea. What…
A: 16. Given that, The mass of the Aluminium block, m = 20 kg The density of Aluminium is 2700 kg/m3 We…
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: Two children seat themselves on a seesaw. The one on the left has a weight 400 N while the one on…
A: Analyze the FBD of the given system. Here, x represents the distance from the fulcrum to the right…
Q: A beam is plvoted at its center. A 2.0 N weight Is attached to one end of the beam. An empty pan…
A:
Q: 6. A 32.0-kilogram child sits on a uniform seesaw of negligible mass; she is 1.30 m from the pivot…
A: The net torque of the system will be zero.The expression for the net torque acting on the system,
Q: QUESTION 1 Adam and Noah have a mass of 40 kg and 45 kg respectively. They went to a playground and…
A: Answer..
Q: magnitude of the torque
A: To find the torque exerted by the beam around the point where it is fixed to the wall, we can use…
Q: A uniform rod of length 100cm and mass 0.4 kg is placed on a fulcrum at a distance of 80cm from the…
A: Draw the free-body diagram of the rod.
Q: A street light hangs from a traffic pole as shown in the figure. The uniform aluminum pole AB is 7.2…
A:
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: A small airplane is sitting at rest on the ground. Its center of gravity is 2.58 m behind the nose…
A: Total weight is balance by the weight supported by the two wheels.
Q: 2 children decide to make a crane for their dogs bone (Picture attached). The boom (a piece of wood)…
A: Consider the following diagram:
Q: 7. A 60 kg mother and her 25 kg child sit on the ends of a 3m, 80 kg see-saw. The see-saw itself is…
A:
Q: A 20-kg board serves as seesaw for two children. One child has a mass of 30-kg and sits 2.5 m from…
A: Given data: Mass of board, m=20 kg Mass of child sitting at a distance, x1=2.5 m from the pivot…
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: small airplane is sitting at rest on the ground. Its center of gravity is 2.58 m behind the nose of…
A:
Q: Two children are playing on a 3 m long uniform see-saw whose mass is 110 kg. The 20 kg child sits at…
A:
Q: A 20-kg board serves as seesaw for two children. One child has a mass of 30-kg and sits 2.5 m from…
A: Given data: Mass of board, m=20 kg Mass of child sitting at a distance, x1=2.5 m from the pivot…
Q: A seesaw with a length of 5 m and a mass of 40 kg is pivoted at its center. A 20kg child sits on one…
A:
Q: .To balance a 35.5-kg automobile tire and wheel, a mechanic must place a 50.2-g lead weight 25.0 cm…
A:
Q: Suppose a uniform 1-meter beam of mass 100 g is supported at a distance of 40 cm from the left end.…
A: Concept: The Schematic diagram of the system is given below Here, In this diagram O is the center…
Q: 3. The beam is 30 kg and is attached to the wall by a support. 2m 20 kg 30 kg 10 m a) What is the…
A: Have a look
Q: A force 107 N is applied to a rigid body. If the moment arm with respect to a given point O is = 5…
A:
Q: Alice is going on a picnic and is aware that it will be easier to carry the picnic basket if it…
A:
Q: Q#1(a): Two persons are playing on See-Saw as shown in figure below. Calculate the distance at which…
A: Given The weight of a person A is WA=114 N. The weight of a person B is WB=50 N. The distance…
Q: he 3 m long uniform plank is supported by a fulcrum at the midpoint. Where should a 45 kg student…
A: Given: The length of the uniform plank is 3 m. The mass of the student is 45 kg.
Q: Two people carry a heavy electric motor by placing it on a light board 2.10 m long. One person lifts…
A:
Q: 11. A uniform board of mass 5 kg serves as a seesaw for two children. The child on left has a mass…
A:
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: 14. 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…
A: Given Weight of lady W1=450 N Length of seesaw L=3m Distance of lady from pivot d=1.3m
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…
A:
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: 15. A seesaw is 10 m long and balanced in the middle. A boy weighing 48 kg is seated Im from one end…
A: Given Length of seesaw L=10m Mass of boy m1=48 kg Distance from pivot point d=5-1 =4m Mass of…
Q: 3. Bob and Tom are on opposite sides of a 12 foot see-saw (teeter totter). Bob weight’s 96.6…
A:
Q: Two people carry a heavy electric motor by placing it on a light board 2.50 m long. One person lifts…
A:
Q: baseball bat balances 71.9 cm from one end. If an 0.587-kg glove is attached to that end, the…
A: Given parameter The baseball bat balances(r) = 71.9cm…
Q: A 40.0 lb child sits at the end of a 10.0 ft uniform seesaw which pivots at its center. Where must a…
A: The net force acting on an object is equal to mass times the acceleration of the object. If the net…
Q: 1. Where must a 1 kN object be hung on a uniform, horizontal, rigid 200 N pole so that a girl…
A:
Q: Two children with masses of 24 kg and 34 kg are sitting on a balanced seesaw. If the heavier child…
A: Given data m1=24 kgm2=34 kgx=0.8 m Here, m is the mass of the person. While x is the distance from…
Step by step
Solved in 2 steps with 2 images
