What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? [A] Remains constant [B] Becomes zero [C] Increases exponentially [D] None of the above

Q: You stepped on the edge of a bicycle wheel (radius 0.622 m) to make it slow down. If you pressed…

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Q: Calculate the magnitude of the total torque in the center of a square, giving that the square side…

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Q: A Fx

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Q: If an object has a net force of zero on it, and a net torque of zero on it, it must be in static…

A: 7) False If net force and net Torque on an object is zero ,it will be in either static equilibrium…

Q: A ventilation fan with a moment of inertia of 9.4 kg-m2 has a net torque of 7.1 N-m applied to it.…

A: Given data The moment of inertia is given as I = 9.4 kgm2. The net torque is given as T = 7.1 Nm.…

Q: A 40-g cylinder is 0.15 m in radius and 0.05 m in length. A string is wound around it and a force is…

A: Given: m=40 g=40*10-3 kgr=0.15 mα=5.0 rad/s2

Q: In the following figure, a force of 20 N is going to be applied to the rod that has a length of 15…

A: Given : Force applied : F = 20 N Length of rod : L = 15 cm Required : Location for maximum torque…

Q: A hamster sits 0.10 m from the center of a lazy Susan of negligible mass. The wheel has an angular…

A: distance, r = 0.1 m , angular velocity, ω = 1 rev/s distance, r' = 0.3 m

Q: Find the net torque on the wheel in the figure below about the axle through O, taking a = 11.0 cm…

A: Torque: The product of force and the perpendicular distance between the force to the required point…

Q: Two masses are attached to a 1 m massless rod on a flat frictionless table. A 3 kg mass is on the…

A: GivenLength of rod=1 mMass at  left end=3 kgMass at right end =5 kgAxis of rotation 0.25 m from 3 kg…

Q: Below is a system with two masses on a scale.  You hung a m1 = 99 g mass on the left.  The distance…

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Q: A solid, uniform disk lies on a horizontal table, free to rotate about a fixed vertical axis through…

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Q: he figure below shows forces acting at various points on a metal rod. The angles a = 46°, B = 25°, y…

A: Given Taking clock wise torque as positive.

Q: According to conservation of angular momentum, if the moment of inertia of a rotating object is…

A: Write the equation for the angular momentum. L=Iω    ........ (1) Here, The linear momentum of the…

Q: A rigid body consists of three particles connected by massless rods as shown in figure. It to be…

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Q: A disk of radius R= 25 cmis mounted in the horizontal plane and can rotate around a fixed axis that…

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Q: Which of the statements is true regarding a thin rod that has zero net torque acting on it? 1)The…

A: T = I(alpha) I = moment of inertia ( doesn't change)  Alpha = angular acceleration

Q: An athlete at the gym holds a 2.5 kg steel ball in his hand. His arm is 70 cm long and has a mass of…

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Q: "The opposition that the body exhibits to having its speed of rotation about an axis altered by the…

A: Solution; Option (d) Moment of inertia. Moment of inertia:-  in Physics, quantitative measure of the…

Q: 1|0 2|0 3|0 4|o so 60 7/0 | alo 9|0 W1 2.

A: Torque = moment of force

Q: Which of the following statement is False? An object is said to be in equilibrium if and only if…

A: Introduction :- Here we need to check which case does not hold true. So we will check all the given…

Q: When the sum of the external forces and the sum of the external torques on a body are both zero, we…

A: Given that, The sum of external force is zero And the sum of external force is also zero We know…

Q: Find the magnitude of the net torque on the wheel about the axle through the center of the object.…

A: inner a=8 cm=0.08 mouter radius b=22 cm=0.22 mF1=13 NF2=25 NF3=16 Nθ=34°

Q: A disc with a radius of 0.53 m is fixed to rotate about its center. Three forces act on the object…

A: Given: The force F1 is 14.7 N. The force F2 is 11.1 N. The force F3 is 11.5 N. The angle is 34.3…

Q: The plant in the picture has mass of 27 kg, and is hanging at a distance of 2.1 meters from the…

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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: A uniform disk has a mass of 0.911 K g and a radius of 1.371 m. Starting from rest , it accelerates…

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Q: At one instant, force F=4.0j N acts on a 5kg object that has position vector: r = (2.0i - 2.0k) and…

A: Given data *The given force acts on the object is F = 4.0j N *The object has a position vector is…

Q: If the net torque is zero, this implies that () the angular momentum is constant or conserved () the…

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Q: One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to…

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Q: The plant in the picture has mass of 30 kg, and is hanging at a distance of 1.8 meters from the…

A: Given mass of the rod is M = 7.8 kg mass of the plant is m = 30 kg suspended at x =  1.8 m from the…

Q: A bar 2.0 meters long makes an angle of 30° with the horizontal. A vertical force of 40 N is applied…

A: Given: The length of the bar is 2.0 m. The angle is 30 degrees. The force applied is 40 N. The…

Q: The figure below shows forces acting at various points on a metal cylinder. The angles a = 50°, B =…

A: Given, α = 50°β = 27°γ =23°length, l = 3.8 m

Q: A 4kg ball with a 0.45-meter radius is initially at rest begins to roll and accelerate at a uniform…

A: Write a given value of this question. m=4kgr=0.45mωi=10 rad/st=5sIb=0.243kgm2 Final angular speed of…

Q: One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to…

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Q: If an object is not rotating, no external torques act on it. A. True B. False

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Q: Which of the following statements is TRUE about an object rolling without slipping down an inclined…

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Q: A wheel of inner radius r, = 13.0 cm and outer radius r, = 35.0 cm shown in the figure below is free…

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Q: Find the magnitude of the net torque on the wheel in Figure below about the axle through O, taking…

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Q: A wheel of inner radius r, = 14.6 cm and outer radius r, = 35.0 cm shown in the figure below is free…

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.