In a uniform see-saw, child A of mass 20 kg sits at 2.3 m from the center of the fulcrum. At what distance from the center of the fulcrum child B of mass 29 kg should sits on so as to have the see-saw balanced (to have a net torque of the see-saw to be zero)? Oa 1.15 m Ob1.45 m Oc33m Od. 1.6 m
Q: A 30.0 kg child sits on one end of a long uniform beam having a mass of 20.0 kg, and a 40.0 kg child…
A: Mass of child 1 = M1 = 30 kgMass of child 2 = M2 = 40 kgMass of beam =M = 20 kgDistance of child 1…
Q: Bobina and Bob are on the seesaw down at the elementary school playground and decide to see if they…
A: Weight of Bobina , W1 = 400 N Weight of Bob, W2 = 450 N Distance of Bobina from the fulcrum , R1 = 2…
Q: In exercise physiology studies, it is sometimes important to determine the location of a person's…
A:
Q: (a) A person opens a 1.30 m wide door by pushing on it with a force of 34.5 N applied at the center…
A: Given value--- length = 1.3 m. Force = 34.5 N. force is acting perpendicular to door length. We…
Q: 3. A 15-kg uniform beam is 3.0 m long and is pivoted 1.0 m from the left end. A 35 kg child sits on…
A: Given mass of the uniform is M = 15 kg (center of mass at X = 0.5 m right to pivot) mass of the…
Q: A vault is opened by applying a force of 300 N perpendicular to the plane of the door, 0.70 m from…
A: Given data: Force (F) = 300 N Perpendicular distance (r) = 0.70 m Required: Torque (τ)
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 vertical forces acting on the beam are the weight of the beam (mg) pointing downward and the…
Q: Are the counterclockwise torque and clockwise torque equal?
A: In magnitude Counterclockwise torque and clockwise torque are equal for the same amount force…
Q: Two children are sitting on a see-saw and they want to balance it. One child, at 35.0 kg sits 1.25 m…
A:
Q: The 49-lb rectangular access door is held in the 90° open position by the single prop CD. Determine…
A: Static equilibrium equations are ∑Fz=0 ...............(1) ∑Mx=0…
Q: A sign for a pizza restaurant hangs from a 2.60-m long rod extended out from a building. A cable,…
A:
Q: A 5.4 kgkg cat and a 2.5 kgkg bowl of tuna fish are at opposite ends of the 4.0-mm-long seesaw. How…
A: Given: m1= 5.4 kg m3 = 2.5 kg L = 4m m2 = 3.8 kg
Q: 10.3 on each side is pivoted about an axis through point O at its center and per- pendicular to the…
A: F₁ = 18.0 N F₂ = 26.0 N F₃ = 14.0 N Axis of rotation is passing through point O.
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: Problem 6: Rotational Dynamics - Torque A 0u cm, uniform, 50 N shelf is supported horizontally by…
A:
Q: A street light hangs from a traffic pole as shown in the figure. The uniform aluminum pole AB is 7.2…
A:
Q: In the two-member assembly shown, find the axial force in rod (1) if P-14.5 kips. 8A O 12.91 kips O…
A:
Q: A baseball bat balances 71.1 cm from one end. If a 0.590 kg glove is attached to that end, the…
A: let mass of baseball b mb initial balancing point=mg mass of glove(mg )=0.590 kg Distance of center…
Q: A 40kg dog and a 30kg cat are sitting on either end of a long board balanced precariously on a pivot…
A:
Q: A weight of 6 N is located 11 cm from the fulcrum on the beam of a simple balance. What weight…
A: Weight located on one of the side of the fulcrum (W1)=6 N Distance of weight from the fulcrum…
Q: A 15.0 kg child and a 25 kg child sits at opposite ends of a 4 m see saw pivoted at its center.…
A: Given data: Mass of child at one end is, m1=15.0 kg. Mass of child at other end is, m2=25 kg. Length…
Q: 53 5 m A uniform 80N beam that is 5 m long is attached to a wall by a cable as shown in the figure.…
A:
Q: A professor's office door is 0.91 m wide, 2.0 m high, and 4.0 cm thick; has a mass of 25 kg; and…
A: Given:The dimension of the door are 0.91m wide 2.0 m high and 4.0 cm thick.The door has a mass of 25…
Q: A horizontal beam of length 6 m and mass 3.0 kg has a mass of 5.0 kg and width 0.8 m sitting at the…
A: Torque due to gravity Note: subscript 1 and 2 denote block and beam respectively.…
Q: A bar 2.0 ft. long is pivoted at its center. A 4.0-lb weight is hung from one end and a 1.0-lb…
A: Given data: The length of the bar is L= 2.0 ft The weigth hung from the left end is 4.0 lb The…
Q: 18. The color orange within the visible light spectrum has a wavelength of about 620 nanometers or…
A: Given, Wavelength, λ=620 nm=620×10-9 m Speed of light, c=3×108 m/s
Step by step
Solved in 4 steps with 1 images
- Find the magnitude of the torque exerted by F on the bolt at P if PQ| = 8 in. and |F| = 30 lb. 450 PAxis where x = 1.66. (a) A (b) N-m 43.0⁰ (c) As shown in the top-view diagram, a 46.6-N force is applied to the outer edge of a door of width 1.66 m. Find the torque when the line of action of the force passes through the axis of the door hinges. 4Problem 1 0.21 and r2 Two solid spherical masses mị end of a massive rigid rod of mass m2 = cylinder of mass m4 = axle perpendicular to the rod through point Pa distance l1 = 0.83 m and l = 0.52 m. The bar is released from rest in the horizontal position at t = 0. 0.14, are attached to the 1.00 kg, as shown in the below figure. The rod is attached to a massive 0.14 m, and is free to rotate in a vertical plane about a frictionless 2.51 kg and mз — 1.48 kg with radii ri = 3.2 kg and radius r4 = a) Find the moment of inertia of the rod with all three masses. b) Find the torque acting on the system at t = 0. c) Find the angular acceleration of of the system at t = 0. d) Find the maximum kinetic energy of the system during the swing. e) Find the maximum angular velocity of the system. m3 m2 l1
- A) A woman opens a 1.45 m wide door by pushing on it with a force of 42.5 N applied at the center of the door, at an angle perpendicular to the door's surface. What magnitude of torque (in N · m)is applied about an axis through the hinges? __________N · m B) A second person opens the same door, using the same force, again directed perpendicular to the surface, but now the force is applied at the edge of the door. What magnitude of torque (in N · m) is applied about the axis through the hinges now? _________N · m2. A boy weighting 600 N sits 2.5 m from the center of the see-saw. If his friend weighs 750 N, how far from the center should his friend sit so that the see-saw balances?A baseball bat balances 61.1 cm from one end. If a 0.600 kg glove is attached to that end, the balance point moves 24.7 cm toward the glove. Find the mass of the bat.
- Two children of mass 25 kg and 26 kg sit balanced on a seesaw with the pivot point located at the center of the seesaw. If the children are separated by a distance of 3.0 m, at what distance, in meters, from the pivot point is the smaller child sitting in order to maintain the balance?A baseball bat balances 71.9 cm from one end. If an 0.587-kg glove is attached to that end, the balance point moves 25.8 cm toward the glove. Calculate the mass of the bat.A baseball bat balances 72.9 cm from one end. If an 0.525-kg glove is attached to that end, the balance point moves 25.6 cm toward the glove. Calculate the mass of the bat.
- Two children of mass 21 kg and 26 kg sit balanced on a seesaw with the pivot point located at the center of the seesaw. If the children are separated by a distance of 2 m, at what distance from the pivot point is the small child sitting in order to maintain the balance? mTwo kids are on a uniform seesaw supported at its center. The kid is on the right side of the seesaw has a mass m kg and is at a distance 1.59 from the center of the seesaw. The kid is on the left side of the seesaw has a mass 30.8 kg and is at a distance 1.49 from the center of the seesaw. The seesaw is in static equilibrium. What is the mass m in kg? Give your answer to three significant figures.A 81 cm wide door is pushed open with a 91N force applied to the end opposite the hinges. For each of the following, calculate the torque about an axis that passes through the hinges. a)The force is applied at 250 from the perpendicular to the face of the door, toward the hinges. b) The force is applied at 700 from the perpendicular to the face of the door, toward the hinges.