businessman enters the same revolving door on the right, pushing with 547 N of force directed perpendicular to the door and 0.511 m from the hub, while a boy exerts 370 N perpendicular to the door, 1.57 m to the left of the hub. (Indicate the direction with the sign of your answer.) (a) Find the torques exerted by each person. ?boy =  N · m ?man =  N · m (b) Find the net torque on the door. ?net =  N · m

Q: The length of a bicycle pedal arm is 0.165 m, and a downward force of 149 N is applied to the pedal…

A: Length of pedal arm is Applied force is Angle between pedal arm and force iscase(a) case(b) case(c):…

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

A:

Q: A plum is located at coordinates (-4.09 m, 0, 3.54 m). In unit-vector notation, what is the torque…

A: Location of the plum Force Force Force Force

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

A:

Q: uppose you exert a force of 227 N tangential to a 0.295 m radius 75.0 kg grindstone (a solid disk).…

A:

Q: Two men are raising a beam as shown. The magnitude of the tension in the right cord is 1000 N, the…

A: The force is orthogonal to the radius, thus the force will be in counter clockwise direction.Write…

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: A man applies a torque to a nut with a wrench 0.400 m long. Because of the cramped space, he must…

A: Radius, r = 0.4 meters The applied force, F = 64 N The angle θ = 54°

Q: A horizontal force of 10.1 N is applied at an angle of 34.9 degrees to the knob of a 71.1 cm wide…

A: If the line of axis of a force passing through the axis of the door or parallel to the axis of the…

Q: A grinding wheel of radius 0.410 m rotating on a frictionless axle is brought to rest by applying a…

A:

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

A: Given data:The magnitude of the applied forces are:Formula:The formula for torque is given as,Where,…

Q: Suppose you exert a force of 212 N tangential to a 0.295 m radius 75.0 kg grindstone (a solid disk).…

A:

Q: A mechanic is screwing a bolt and applies a force ?⃗ of magnitude 12.0 N to the end of the wrench.…

A: The torque τ be defined as, τ→=r→×F→r→=rFsinθ Where, r is distance. F is force.

Q: (a) The fishing pole in the figure below makes an angle of 20.0° with the horizontal. What is the…

A:

Q: By using |t| = Ir| |F| sin 0, find the magnitude of the torque about O produced by each force shown.…

A: using the formula of torque and right hand rule for direction of torque

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

A:

Q: The cylindrical head bolts on a car are to be tightened with a torque of 67.3 N · m. If a mechanic…

A: The expression for the torque(τ) can be given as, τ = rF, where r is the distance, and F is the…

Q: What is the speed, in m/s, of ultrasound in human muscle?

A:

Q: Three forces are applied to a wheel of radius 0.350 m, as shown in the figure (Figure 1). One force…

A: Magnitude of net torque on the wheel due to forces is 0.3096N.mExplanation:Step 1:Step 2:

Q: Suppose you exert a force of 192 N tangential to a 0.255 m radius 75.0 kg grindstone (a solid disk).…

A: Concept : Torque = r × F Torque = moment of inertia × angular momentum

Q: hinge

A: The given data are: m=2.13 kgb=1 mF=162.8 Nθ=61°r=0.481 m

Q: A force given by F1 = (100N, -20 deg) is applied to the right end of a 6 meter long rod aligned…

A: Given:  F1 = 100 N, -20 degree at 6 m  F2 = 200 N , 120 degree at 1 m  F3 = 220 N , 110 degree at 3…

Q: A horizontal beam of length 6 m and mass 3.0 kg has a mass of 5.0 kg and width 0.8 m sitting at the…

A: Torque due to gravity Note: subscript 1 and 2 denote block and beam respectively.…

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

A: Given : Tension =2.49 *104 N Length of  concrete panel = 49.4 m Angle with horizontal =53o…

Q: trap door, of length and width 1.85 m, is held open at an angle of 65.0° with respect to the floor.…

A:

Q: A man ties one end of a strong rope 9.00 m long to the bumper of his truck, 0.588 m from the ground,…

A:

Q: The answers are provided; please explain the purpose of each equation and why they were used…

A:

Q: Suppose you exert a force of 207 N tangential to a 0.275 m radius 75.0 kg grindstone (a solid disk).…

A:

Q: When tightening a bolt, you push perpendicularly on a wrench with a force of 166 N at a distance of…

A: Given data:  Angle (θ) = 90°, perpendicularly Force (F) = 166 N Distance (r) = 0.140 m Required: The…

Q: How much torque is produced by opening a jar of pickles if the lid on the jar has a radius of 3.5…

A: Given that,  The radius of the jar, r=3.5 cm=3.5×10-2 m The tangential force exerted, F=150 N Torque…

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 man applies a torque to a nut with a wrench 0.450 m long. Because of the cramped space, he must…

A:

Q: A horizontal beam of length 2 m and mass 8.0 kg has a mass of 5.0 kg and width 0.8 m sitting at the…

A: The data given in the system is, A. Beam a. Mass, mb=8 kg b. Length, l=2 m B. Block a. Mass of the…

Q: Suppose you exert a force of 167 N tangential to a 0.255 m radius 75.0 kg grindstone (a solid disk).…

A:

Q: A metal rod 6.00 m long is held in a horizontal position. An object with mass 3.70 kg is suspended…

A: Write the given values of this problem.   m=3.7 kgd=6 m-4 m=2 m

Q: A woman applies a torque to a nut with a wrench 0.250 m long. Because of the cramped space, she must…

A: Given data:   The length of the wrench (r) = 0.250 m Angle (θ) = 70.0° Force (F) = 46.0 N Required:…

Q: Two forces, F1=100 N (Newton) and F2=20N, are applied on opposite sides of a door's knob at angles…

A: Given:Force,F1=100 NForce,F2=20 NRotation axis ,r=0.8mAngle,θ1=30Angle,θ2=60Find the net torque…

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

A: Radius of wheel, r = 0.622 m Force applied, F = 10 N Co efficient of friction = 0.462

Q: A bowl is rotating on a potter's wheel at constant angular speed as shown. The friction force…

A:

Q: Suppose you exert a force of 172 N tangential to a 0.295 m radius 75.0 kg grindstone (a solid disk).…

A: Tangential applied force (F) = 172 N Radius of disk (R) = 0.295 m Mass of grindstone (m) = 75 kg

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.