What's true about angular momentum? a. Angular momentum is conserved as long as the system is not acted on by friction. b. Angular momentum is conserved when the system is not acted on by any external torques.   c. Angular momentum is always conserved no matter what

Q: A0.70-m-diameter solid sphere can be rotated about an axis through its center by a torque of 13.0 m-…

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Q: A 2.40-m-long, 500 kg steel uniform beam extends horizontally from the point where it has been…

A: Given values:Length of steel beam, L = 2.40 mMass of steel beam, M = 500 kgMass of worker, m = 70 kg

Q: 24. (I) A 52-kg person riding a bike puts all her weight on each pedal when climbing a hill. The…

A: Torque is cross product of force and perpendicular distance and its unit is Nm. τ=F×r τ=rFsinθ…

Q: How can the same force applied to a lever produce different torques? a) By applying the force at…

A: The equation of torque is given by, τ=Flsinθ Here, F is force applied, l is distance between applied…

Q: A torque is applied to a long thin rod making it rotate with an angular acceleration of 2.00 rad/s²…

A: Given that α = 2.0 rad / s2 let torque is applied τ = Iα I= ML2 / 12  about axis passing through…

Q: A 160 N net force acts right on a 20 kg object. If the initial velocity of the object is 20 m/s…

A: According to the Bartleby guideline, only one question can be solved at one time, post the remaining…

Q: force of 2.0 N is applied at the 10 cmmark and a perpendicular force of 4.0 N is applied in the same…

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Q: A thin spherical shell has a radius of 1.80 m. An applied torque of 860 N m gives the shell an…

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Q: To tighten a bolt, you push with a force of 100 Nat the end of the wrench handle that is 0.5 m from…

A: Given, force =100 N Distance from the end of wrench of handle to axis of bolt, r  = 0.5m We know…

Q: A pair of forces with equal magnitudes, opposite directions, and different lines of action is called…

A: (a) Write the formula for the torque.

Q: 10.A uniform 1.76 kg horizontal rod is fixed on one end as shown in the following figure. The rod is…

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Q: If you are using a rope to raise a tall mast, attaching the rope to the middle of the mast as in…

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Q: 1. The tongs are used to grip the ends of the drilling pipe with the center at C. a) At what angle 0…

A: Dear student,  "As per our company guidelines we are supposed to answer ?️only first 3 sub-parts.…

Q: - A force F =( 2 i +3 j ) N acts on a body that can rotate about a fixed axis along the z-coordinate…

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Q: When tightening a bolt, you push perpendicularly on a wrench with a force of 161 N at a distance of…

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Q: A force is exerted on a point in a body (not shown).j Calculate the torque due to the force, and…

A: Given F = (8, 9) N r = (-5, 4) m we have to calculate torque due to the force

Q: If we try to stand up an axisymmetric top with one point fixed that is not spinning, it will pivot…

A: 1. When the top is spinning, two rotation generated, one is of top and other one is of top's…

Q: which of the following cases is angular momentum conserved?   a. When the rotational kinetic…

A: Torque is defined as the rate of change in angular momentum .

Q: (3) The rotational kinetic energy of an object can be expressed in term of the moment of inertia I…

A: Given: Krotational=12Iω2 Velocity v=ωr   Isolid sphere=25mr2  Ihollow sphere=23mr2

Q: 7. An aluminum disk has a mass m, radius R, and area A. It has an area mass density (mass per unit…

A: Given data: Mass of the aluminum disk is, m The radius of the aluminum disc is, R The area of the…

Q: 1. An object is pivoted about a fixed point located along the z-axis. The driving force is given by…

A: Given data Length of seesaw is L =4 m Mass of child 1 is m =25 kg Mass of child 2 is M = 35 kg

Q: 1. An object is pivoted about a fixed point located along the z-axis. The driving force is given by…

A: (a) The diagram of forces acting on the system is,

Q: In figure forces F1 and F2 have magnitudes 20N and 15N respectively and act on a disk nailed at…

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Q: A disk of radius 0.5-meter and mass of 20-Kg starts from rest and accelerates uniformly. It is known…

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Q: II. Numerical Physics. Show your complete solutions clearly and legibly. 1. Torque. A square metal…

A: given that,F1=18 NF2=26 NF3=14 N

Q: Calculate the distance from the center that a 20 kg body must be located so that the system is in…

A: Given Mass of one body m1 = 20 kg Mass of another body m2 =  5kg distance of 5 kg body from…

Q: 1. How can the same force applied to a lever produce different torques? A. By applying the force at…

A: Torque is given by, τ=Frsinθ From the above formula, torque depends on force, distance of point from…

Q: What are the parameters that impact the magnitude of a torque? a) The magnitude of the force, the…

A: Torque is defined as τ=RFsinθ Here,  R=distance F=Magnitude of applied force. θ is the angle

Q: 16. What is the symbol of Torque? А. Т В. t C. pi D. q 17. What happens to angular momentum when the…

A: 16. Option A. Correct

Q: A 2.00-m-long, 500 kg steel uniform beam extends horizontally from the point where it has been…

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Q: (7) A hinge attached to a wall connects a 3.0 m long pole while the other end is held up by a rope…

A: Given that the value of angle and length and tension. Then We have to determine the value of mass of…

Q: 5. What happens to angular momentum when the sum of all external torque acting on a system of…

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Q: A homogeneous rod with L=4 (m) and M=6 (kg) is rotated by the motor around the O axis shown in the…

A: mass of homogeneous rod = 6 kg mass of left part = 1/4 * 6  = 1.5 kg mass of right part of rod = 6 -…

Q: The rotational form of Newton's 2nd law can be written in terms of the angular momentum as: Inet dt…

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Q: A 25N force is applied to a bar that can pivot around its end. The force is r=0.75 m away from the…

A: Write the given values with suitable variables. F=25 Nr=0.75 m Here, F denotes the applied force and…

Q: 2. What is the total (Net) torque around O? y 450 N 30° 1.5 m- 2 m -1.5 m-

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Q: Suppose you exert a force of 152 N tangential to a 0.284-m- radius 77.0-kg grindstone (a solid…

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Q: A force F =( 2 i +3 j ) N acts on a body that can rotate about a fixed axis along the z-coordinate…

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Q: • Part A Calculate the net torque about point O for the two forces applied as in the figure (Figure…

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Q: 4. There are four forces acting on a thin rod as shown in figure. (a) Calculate the net torque t,…

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Q: 3. An object has two rods attached to form a + sign. Each rod is 20-cm long and has a mass of 0.500…

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Q: The Net Torque on a Cylinder A one-piece cylinder is shaped as shown, with a core section protruding…

A: Given that, A one-piece cylinder is shaped as shown. A rope wrapped around the drum, which has…

Q: Bob and Anna sit on opposite ends of a uniform see-saw which is 12.0 m in length. The see-saw is…

A: Length of see saw = 12 m Mass of bob = 85 kg Mass of see saw = 100 kg Mass of Anna = M Distance of…

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.