A car tune-up manual calls for tightening the spark plugs to a torque of 31.0 N⋅m. To achieve this torque, with what force must you pull on the end of a 20.5 cm long wrench if you pull (a) at right angles to the wrench shaft and (b) at 110 degress to the wrench shaft?

Q: A bolt is tightened by applying a 60 N force to a wrench. If the magnitude of the torque is 120 Nm,…

A: Given data The magnitude of the force is F = 60 N. The torque is given a T = 120 Nm. The angle…

Q: The figure shows a person's foot. In that figure, the Achilles tendon exerts a force of magnitude F…

A: Torque is defined as moment of force . It is product of force and perpendicular distance from axis…

Q: VA= Vn = Vc Q.18: A rigid body rotates around an axis that passes through the origin and…

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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 small ball of mass 0.54 kg is attached to one end of a 1.60-m-long massless rod, and the other end…

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Q: The rotor of a motor rotating initially with an angular speed of 30 rad/s is sped up to 60 rad/s…

A: The expression for find applied torque is τ=Iωf2-ωi22θ

Q: A small ball of mass 1.5 kg is attached to one end of a 2.00-m-long massless rod, and the other end…

A: Given Data Mass of the ball is m=1.5 kg Length of the rod is L=2.00 m Angle of the pendulum is θ=32°…

Q: A 95-N force exerted at the end of a 0.50-m long torque wrench produces a torque of 20 N · m. What…

A: The applied force at the end of the wrench, F is 95 N. The length of the wrench, l is 0.50 m. The…

Q: What net torque is required to give a uniform 20-kg solid ball with a radius of 0.20 m and angular…

A: Given data: Mass (M) = 20 kg Radius (R) = 0.20 m Angular acceleration (α) = 20 rad/s2 Required: The…

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 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: The wheels , axle, and handles of a wheel-barrow weigh 117 N (W). What is the force F needed to hold…

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Q: A 349 kg merry go round is set in motion by applying a 207 N force tangentially at the rim. For how…

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Q: A torque of 12 Nm is applied to a solid, uniform disk of radius 1.55 m. If the disk accelerates at…

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Q: Six forces are applied to the door in (Figure 1). Rank in order, from largest to smallest, the six…

A: τa = (L/2) F = 0.5 LF τb = (L/4) 2F = 0.5 LF τc = (L/2) F sin 45° = 0.354 LF τd = (L/2) F sin 45° =…

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 man in a gym is holding an 8.0 kg weight at arm's length, a distance of 0.55 m from his shoulder…

A: Here, the torque can be given as τ=r×F=rFsin90o-θ=rFcosθ The force on the vacuum cleaner is in the…

Q: A 93.9 N force exerted at the end of a 0.32 m long torque wrench produces a torque of 15.7 Nm. What…

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Q: A car tune-up manual calls for tightening the spark plugs to a torque of 35.0 N m. To achieve this…

A: Torque is equal to vector product of force and the distance from the point where the torque acts to…

Q: A merry-go-round accelerates from rest to 0.63 rad/s in 33 s. Assuming the merry-go-round is a…

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Q: A merry-go-round accelerates from rest to 0.63 rad/s in 39 s Assuming the merry-go-round is a…

A: Given, Initial angular speed, Final angular speed, Time, Mass of merry-go-round, Radius of…

Q: You are holding a 20 kg dumbbell straight out at arm's length. Assuming your arm is 0.80 m long,…

A: Given data The mass of the dumbbell is m=20 kg The length of the arm is L=0.80 m   The torque…

Q: A constant torque is applied to a rigid body whose moment of inertia is 4.0 kg-m2 around the axis of…

A: Given data The MOI is, I= 4.0 kg-m2 The time is, t=10.0 s The initial angular velocity is, Ѡo=0.0…

Q: A merry-go-round starts at rest and accelerates up to an angular speed of 1.9 rad/s in 5.0 seconds.…

A: Given information: Here, m is the mass of the marry-go-round, d is the diameter of the…

Q: While driving an automobile, the driver makes a left turn. To perform this maneuver, the driver…

A: The expression for the torque is written as, Here, F and r represent the force applied by the…

Q: A force of 17 N is applied to the end of a 0.63-m long torque wrench at an angle 45°. What is the…

A: Given data Amount of force is F=17 N Length of wrench is l=0.63 m Angle between the force and length…

Q: The bolts on a car wheel require tightening to a torque of 90 N∙m. If a 30 cm long wrench is used,…

A: Required torque = 90 N.m length of wrench (d) = 30 cm = 0.3 m θ = 53o

Q: How much torque does a person produce if he applies an 18 N force 1.25 m away from the pivot point,…

A: Given : F = 18 N r = 1.25 m θ = 90°

Q: 25 N Lever 20 N arm 25° 90° 80 cm 10 N Find the total torque about the A axis due to the forces as…

A: Solution: As given that F1 = 10 N F2 = 20 N F3 = 5 N the length of the arm is l = 80 cm = 0.8 m

Q: In a downtown office building, you notice each of the four sections of a rotating door has a mass of…

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Q: A nervous diver stands at rest at the end of a 31 kg diving board as shown in the figure. If the…

A: The net torque about the lever point is due to the weight of the person and board. that is,…

Q: A man in a gym is holding an 8.0 kg weight at arm's length, a distance of 0.55 m from his shoulder…

A: Given data :  Mass (m) = 8.0 kg Distance (r) = 0.55 m Arm is horizontal Required: The torque about…

Q: A father lifts his child as shown in the figure below. How much torque does the child exert, taking…

A: Torque: It is the product of the applied force to the perpendicular distance between the required…

Q: 2. Calculate the resultant torque about A when the forces shown in the figure act on a 10.0 N rod.…

A: Torque is given by the product of force and the perpendicular distance.

Q: A force F = 10î N is applied to a rigid body. %3D If the moment arm with respect to a given point O…

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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 bolts on a car wheel require tigthening to a torque of 90 N x m. If a 30 cm long wrench is used,…

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Q: Calculate the net torque induced on the 2m long object by the two forces shown in the figure, One of…

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Q: What force must be applied to end of a rod along the x-axis of length 2.0 m in order to produce a…

A: Given, Length, r=2 m, and torque, τ=8 kNm=8000 Nm.

Q: A 0.65-m-diameter solid sphere can be rotated about an axis through its center by a torque of 11.0 m…

A: Given data The diameter of the solid sphere is given as d = 0.65 m. The torque is given as T = 11…

Q: An automobile maintenance manual specifies that the cylinder head bolts are to be tightened to a…

A: Given :- torque = 121 N.m                 length of wrench (r) = 24 cm = 0.24 m

Q: A 95 N force exerted at the end of a 0.50 m long torque wrench gives rise to a torque of 15 N· m.…

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Q: A merry-go-round accelerates from rest to 0.72 rad/s in 37 s. Assuming the merry-go-round is a…

A: From kinematics equation for rotations:

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.