A bicycle wheel is at rest against a curb. if the wheel has a radius R, and a mass M and is at rest against a curb of height h=.14R, determine the minimum horizontal force in terms of M and g that must be applied to the axle to make the wheel start to rise up over the step

Q: As shown in the figure below, a bicycle wheel is at rest against a curb. If the wheel has a radius…

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Q: An adult horizontally pushes a doorknob with a force of magnitude 65 N. The doorknob is 90 cm away…

A: (a). When perpendicular to door  Torque = 58.5 N-m  (b). When 600  to face of door  Torque = 50.66…

Q: A uniform ladder is 15 m long and weighs 21ON. In the figure, the ladder leans against a vertical,…

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Q: A spool of mass 60 kg is supported on two rollers at. A and B as shown in Figure Q1 (c). Negl ect…

A: Moment of inertia of the spool = mK2 = 60x0.6022 = 21.74 kg-m2 Torque on the spool  about the center…

Q: Cable is unwound from a spool supported on small rollers at A and B by exerting a force T = 300 N on…

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Q: (a) A man applies a force of F = 3.00 × 102 N at an angle of 60.0° to a door, x = 2.20 m from the…

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Q: A bicycle wheel is 64.6 cm in diameter and weighs 1.87 kg. Assume the wheel is a hoop, with all of…

A: a) Apply the condition for the equilibrium of torque.

Q: The length of a bicycle pedal arm is 0.144 m, and a downward force of 141 N is applied to the pedal…

A: Torque=rFsinθ r is length of bicycle=0.144m Force=141N θ is angle between r and F θ=47.8°…

Q: The drawing shows a firefighter standing on a uniform ladder of length L. The ladder leans against a…

A: The free-body diagram of the ladder leaning on a wall is shown below. Here, A denotes the axis of…

Q: The figure shows a bicycle wheel resting against a small step whose height is h = 0.130 m. The…

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Q: A bicycle wheel has a diameter of 63.8 cm and a mass of 1.71 kg. Assume that the wheel is a hoop…

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Q: A ladder leans against a wall as shown below. A hammer is placed on one of the rungs (you can assume…

A: Given:- The length of the ladder =15 m The mass of the ladder = 10kg The inclination of the ladder=…

Q: In the figure, a uniform beam with a weight of 51.7 N and a length of 3.12 m is hinged at its lower…

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Q: A bicycle wheel has a diameter of 65.0 cm and a mass of 1.77 kg. Assume that the wheel is a hoop…

A: The net torque acting on the wheel is given by  τ=Iα where  I=moment of inertiaα=angular…

Q: A bicycle wheel has a diameter of 63.8 cm and a mass of 1.82 kg. Assume that the wheel is a hoop…

A: Given: The diameter of the wheel is 63.8 cm. The mass of the wheel is 1.82 kg. The resistive force…

Q: In the figure, a uniform sphere of mass m = 1.10 kg and radius r = 0.319 m is held in place by a…

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Q: An object with a mass of 4.40 kg is placed at the top of a 2.53 m tall (vertical height) incline.…

A: Given: Mass of an object (m) = 4.4 kg. Vertical height (h) = 2.53 m. Angle (θ) = 33.8 Radius of…

Q: Consider a ladder of length 3.30m and mass 18.0kg , leaning against a vertical wall and making an…

A: Mass of the ladder=18kg Mass of the pointer=74kg Coefficient of static friction on the floor=0.65

Q: The product of the applied torque and the length determines the relative angle of twist between the…

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Q: A yo-yo-shaped device mounted on a frictionless rotation axis is used to lift a 30 kg box. The outer…

A: Given: Force G : 140 N Mass of block m : 30 kg Acceleration of the block a = 0.8 m/s2 Inner radius r…

Q: À uniform ladder of mass 21 kg and length 6.2 m leans against a smooth wall at an angle 64° with…

A: Mass of ladder, M = 21 kg Length of ladder, l = 6.2 m Angle between bottom of the ladder and the…

Q: a) A pivot is placed under the beam at x = 5. Calculate the total torque around the pivot and state…

A: Given, |F1| = 45N |F2| = 40 N θ1 = 400 θ2 = 250  length of beam L = 12m pivot is at x = 5

Q: A 10 kg weight is hanging from one end of a uniform rod of 11 m length. If the rod rests…

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Q: A woman climbs a ladder against the side of the building and wants to climb 3/4 of the way to the…

A: Friction  force between building and ladder = 0 But friction force between ladder and ground = f g =…

Q: A cylinder having a mass of 40kgs with a radius of 0.5m is pushed to the right without rotation and…

A: Given that:- Mass of cylinder=40kg

Q: A uniform disk with mass m = 8.57 kg and radius R = 1.36 m lies in the x-y plane and centered at the…

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Q: In the figure, a uniform sphere of mass m = 1.83 kg and radius r=0.335 m is held in place by a…

A: Given information: The mass of the sphere (m) = 1.83 kg The radius of the sphere (r) = 0.335 m The…

Q: A 10 m long and 20 kg ladder leaned against a vertical wall at an angle of 53o to the horizontal.…

A: Consider the following figure which represents the direction of all the forces acting on the ladder.…

Q: )ka acts on a pebble with position vector 7 = (1.92 m) - (5.98 m , relative to the origin. Force F =…

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Q: You are to design a rotating cylindrical axle to lift 6.0-N buckets of cement from the ground to a…

A: In general, the relationship between linear velocity and angular velocity is                 v = rw…

Q: If this is the maximum height that the chimpanzee can climb before the ladder starts to slide, what…

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Q: A ladder with a length of 5.0 m and a weight of 650 N is placed so its base is on the ground 4.0 m…

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Q: ne uniform ladder of length 1.5 m and mass 8.2kg rests against a smooth vertic vall. If a…

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Q: Consider a ladder of length 3.30m and mass 18.0kg , leaning against a vertical wall and making an…

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Q: A uniform ladder is 1:

A: The questions are answered below

Q: In the construction of railroads, curvature of the track is measured in the following way. First a…

A: We have been given that dθ = angle between two tangents = 1.200let L be the distance between two…

Q: A person of mass mp = 79 kg is standing on a rung, one third of the way the ladder of length d = 4.0…

A: Given , Mass of person (mp) = 79kg  Mass of ladder (ml)= 15kg  Length of ladder (L)= 4m  Angle (θ)=…

Q: A bicycle wheel has a diameter of 64.9 cm and a mass of 1.86 kg. Assume that the wheel is a hoop…

A: Given : Diameter of wheel, d1 = 64.9 cm = 0.649 m             Diameter of sprocket in part (a) of…

Q: A 10 m long ladder with mass of 20 kg rests against a smooth wall at height of 8 m at an inclination…

A: Given:- The length of the ladder L = 10 m  The height of the wall is h = 8 m  The mass of the ladder…

Q: There is this ladder with a length L = 3.5 m and mass M = 15 kg leans against a smooth vertical…

A: Given data: Length of ladder is, L=3.5 m. Mass of ladder is, M=15 kg. Coefficient of friction…

Q: A uniform rod AB of weight 500 N and length 4.0 m is supported at two points P and Q as shown below.…

A: Weight of rod, w, AB=500 N Length of the rod, AB= 4 m AP=QB=0.8 m Weight of man, wm=800 N