A bar 1m in length has a negligible mass and it is placed on a pivot point at the 0.55 m mark. A 2.3 kg mass hung at the 0 m mark and a 1.5 kg mass hung at the 1.0 m mark. The meterstick is released from rest in a horizontal position. Immediately after release, the magnitude of the SUMMATION OF TORQUE on the bar about the pivot point is most nearly

Q: A heavy concrete panel is being lifted into position in a building by means of a crane (see figure…

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Q: A uniform rod is set up so that it can rotate about an axis at perpendicular to one of its ends. The…

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Q: When opening a door, you push on it perpendicularly with a force of 57.5 N at a distance of 0.75 m…

A: Given data:  Force (F) = 57.5 N Distance (r) = 0.75 m Angle (θ) = 90°, Perpendicular Required:…

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 disk drive is spinning at 10,000 rpm (1045 rad/s).  It decelerates to rest in 0.42 s.  The disk is…

A: Initial angular velocity of the disk, ωi=1045 rad/s Final angular velocity of the disk, ωf=0…

Q: A slender rod is 90.0 cm long and has mass 0.120 kg. A small 0.0200 kg sphere is welded to one end…

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Q: 200 g mass is hung at the zero mark of a meter stick (mass 25g).  If the pivot point is at the 10 cm…

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Q: m rod of length 3.0 m is pivoted about one end. What would be the angular acceleration due to…

A: We know that the angular torque is given as  τ=Iα where I is the moment of inertia  α is the angula…

Q: A wind turbine has a radius of 37 m, a moment of inertia of 8.4 * 106kg # m2, and rotates with an…

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Q: A uniform solid sphere of radius 2.0 m and mass 10.0 kg is free to rotate about an axis through its…

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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 truck tire has a radius of 1.06 m, and its center moves forward with a linear speed of 17.1 m/s.…

A: Radius of the tire is r = 1.06 m Linear speed of the center is v = 17.1 m/s Distance of point from…

Q: A 69.4-kg grindstone is a solid disk 0.54 m in diameter. You press an ax down on the rim with a…

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Q: A constant tangential force of magnitude 1.5 N acts on the edge of a wheel. The wheel's radius is…

A: Given, Force F =1.5 N Radius R =0.20 m

Q: A 8000-N car is traveling at 80 km/h. It strikes a 12000-N car, which is stationary. The two cars…

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Q: The specifications for a ceiling fan you have just bought indicate that the total moment of inertia…

A: (a) The equation for the angular acceleration is given by, α=τI Here, τ is the torque and I is the…

Q: An athlete at the gym holds a 2.0 kg steel ball in his hand. His arm is 70 cm long and has a mass of…

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Q: A simple pendulum consists of a small object of mass 3.5 kg hanging at the end of a 2.0-m-long light…

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Q: A 5.60m long, 500 kg steel uniform beam extends horizontally from the point where it has been bolted…

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Q: The distance from the center of the breastbone to a man’s hand, with the arm outstretched and…

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Q: on the rim with a normal force of 164.9 N.

A: Given:mass of stone, m = 57.5 kgradius, R = 0.62=0.3 mNormal force, N = 164.9 NTorque due to…

Q: A ball with a weight of 50 N is attached to the end of a lightweight rod at (x, y) = (4 m, 3 m),…

A: The force is F=50 N The distance at which force acts is r. r=4-02+3-02r2=4-02+3-02r2=25 m2r=5 m

Q: To a light beam (of negligible mass), two antiparallel forces are applied, as shown in the figure.…

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Q: 3.40 m long , 635 kg steel beam extends horizontally from the point where it has been bolted to the…

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Q: A uniform rod is set up so that it can rotate about an axis at perpendicular to one of its ends. The…

A: Length of rod = 0.873 m  Mass of rod = 1.11 kg  Initial angular velocity = 0 rad/sec  Final angular…

Q: a doctor opens a 1.5 m door by pushing it with a force of 39.7 N. What magnitude torque does she…

A: Given values:Applied force, F = 39.7 NDistance from the axis to the center of the door, r = 1.5 / 2…

Q: A torque of 2.15 Nm is applied tangentially to the outer edge of a solid cylinder. The cylinder has…

A: Given that applied to the outer edge of a solid cylinder and mass of the cylinder and also given the…

Q: A 230-g mass hangs from a string that is wrapped around a pulley, as shown in the figure. The pulley…

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Q: A 0.75 kg block is resting on a table. At the end of the table is a pulley. A 1.5 kg mass hangs over…

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Q: A uniform rod of length 1.44 m is attached to a frictionless pivot at one end. It is released from…

A: Part a Equation for the initial torque(τi) of the rod.part bthe correct expression for the moment of…

Q: A pulley of moment of inertia 10.0 kg-m² is mounted on a wall as shown in the following figure.…

A: We can answer the question by using the formula for torque and Newton's law for rotational motion.…

Q: 200 g uniform rod of length 5.0 m is pivoted about one end. What would be the angular acceleration…

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Q: When you lift an object by moving only your forearm, the main lifting muscle in your arm is the…

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Q: A potter's wheel is a uniform solid disk of radius R = 0.300 m and M = 120 kg. It is initially…

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Q: A simple pendulum consists of a small object of mass 2.8 kg hanging at the end of a 2.0 m long light…

A: Given: The mass of the small object is 2.8 kg. The length of the string is 2.0 m. The angle that the…

Q: When you lift an object by moving only your forearm, the main lifting muscle in your arm is the…

A: We have given that When you lift an object by moving only your forearm, the main lifting muscle in…

Q: A uniform rod is set up so that it can rotate about an axis at perpendicular to one of its ends. The…

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Q: A 270-g mass hangs from a string that is wrapped around a pulley, as shown in the figure. The pulley…

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Q: A solid cylindrical disk has a radius of 0.12 m. It is mounted to an axle that is perpendicular to…

A: Given that, Applied force(F)= 40 N Radius (R)= 0.12 m Angular acceleration (α)= 100 rad/s² Let m be…

Q: Leni Marcos has a bar that is 1m in length has a negligible mass. She placed the pivot point at the…

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Q: A force F=(-5j+3k)N is applied to an object that is a distance r=(2j+6k)m from a pivot point.  (a)…

A: Torque is defined as the cross product between distance and force. Mathematically, τ⇀=r⇀×F⇀ a)…

Q: A merry-go-round accelerates from rest to 0.74 rad/s in 33 s. Assuming the merry-go-round is a…

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Q: When a diver gets into a tuck position by pulling in her arms and legs, she increases her angular…

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Q: The Achilles tendon inserts on the calcaneus (the heel bone) at a distance of 8 cm from the axis of…

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Q: The wrench in the figure has six forces of equal magnitude acting on it. Rank these forces (A…

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Q: A uniform disk of mass 401 kg and radius 0.24 m is mounted on frictionless bearings so it can rotate…

A: Given:  Mass of the disk = 401 kg Radius of the disk = 0.24 m

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.