A professor’s office door is 0.91 m wide, 2.0 m high, and 4.0 cm thick; has a mass of 25 kg; and pivots on frictionless hinges. A “door closer” is attached to the door and the top of the door frame. When the door is open and at rest, the door closer exerts a torque of 5.2 N ⋅ m. What is the least force that you need to apply to the door to hold it open?

Q: In the following figure the torque applied to the spanner is: a) 339 m N b) 2.56 m N c) 3.39 m N…

A: SOlution:

Q: The plywood sheet shown in the above picture measures 2.0 m x 2.0 m and each of the four forces the…

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Q: 2. Calculate the net torque (magnitude and direction) on the beam in the figure below for the given…

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Q: Three forces are applied to a disk of radius 0.350 m. One force is perpendicular to the rim, one is…

A: Given that, Radius of disc = 0.4 m Angle = 350 Forces are, F1=11 N F2=16 N F3=5 N

Q: A rod of weight = 100 N, effected by two forces F1 and F2 as shown in the figure. If the magnitude…

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Q: A plumber pushes straight down on the end of a long wrench as shown. What is the magnitude of the…

A: Given: Force = 900 N distance = 0.80 m Angle =190 Magnitude of torque applied = ?

Q: A massless bar of length L = 4.0 m is placed on a pivot under its centre. A block of mass m1 4.4 kg…

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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: I am sitting on a seesaw opposite my young nephew.  The seesaw is 14.1 feet long and has a pivot in…

A: Ans:- Image-1

Q: In the definition of torque ( T = r· F· sin(0) ), what does r represent? a) The entire length of the…

A: Given data: The torque due a force F τ = r.F.sin(θ)

Q: Zane and Phoebe are sitting on opposite ends of a teeter‑totter that is 4.00 m4.00 m long with the…

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Q: 3. About-O! F1 3.00 m A square metal plate with mass M = 6.00 [kg] and side length 3. 00 [m] is…

A: This question is based on torque by force.

Q: What are the accelerations and direction of the blocks?

A: Given Masses of the blocks, m1=6.0 kg   and  m2=4.0 kg Coefficient of friction, μ1=0.2, and μ2=0.3…

Q: A constant net torque is applied to an object. Which one of the following will NOT be constant? A)…

A: Torque is given as , T = Iα      (1) From equation (1) we can say that if torque is constant that…

Q: Which of the following is the condition for the rotational equilibrium? The sum of the clockwise…

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Q: Assignment 3 1. 30 N - 30 N 5.0 5.0 ст cm 20 N 20 N The 20-cm-diameter disk can rotate on an axle…

A: Introduction: Torque is a twisting force that is responsible for the rotation of object, and torque…

Q: A force F = 10î N is applied to a rigid body. If the moment arm with respect to a given point O is 7…

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Q: The figure below shows forces acting at various points on a metal cylinder. The angles a = 42°…

A: Let the distance from the axis is given by l. Let the Force acting on the cylinder is given by F.…

Q: The figure below shows forces acting at various points on a metal cylinder. The angles a = 40°, B =…

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Q: Determine the net torque (about point P at one end) of the 4.0-m-long uniform beam shown in the…

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Q: A 8.49 -m ladder with a mass of 23.5 kg lies flat on the ground. A painter grabs the top end of the…

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Q: Q1) 28 N.m torque is needed to turn the bolt around its axis as shown in the Figure (1) below. Find…

A: SOlution: Given that T = 28 Nm Length L = 150 mm

Q: In comparing two unequal forces on a rigid body, is it possible to have the larger force produce…

A: Torque on a rigid body about an axis is  T = F × r  F = force  r = distance of the applied force…

Q: Determine the net torque (about point P at one end) of the 4.0-m-long uniform beam shown in the…

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Q: A uniform thin rod of mass m = 3.2 kg and length L = 1.7 m can rotate about an axle through its…

A: Given data: The forces are, F1=3.5 NF2=4.5 NF3=15 NF4=17 N The given dimensions are, L=1.7 md=0.21 m

Q: If the torque required to loosen a nut on the wheel of a car has a magnitude of 85.0 Nm, what…

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Q: An applied force of 10 N is given to a rotating solid wheel at a distance of 0.25 m from its center…

A: Applied force (FA)=10 N Distance of applied force (xA)=0.25 m Braking force (FB)=2 N Distance of…

Q: I am sitting on a seesaw opposite my young nephew.  The seesaw is 17.8 feet long and has a pivot in…

A:

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

A: Given: The force is 10i^ N. The point O is 5j^ m.

Q: 1. The drawing shows the top view of a door that is 2 m wide. Two forces are applied to the door as…

A: Torque is given by  Torque = force x perpendicular distance  clockwise torque is taken as negative…

Q: You hold a 1.80-N softball in your hand as shown in the figure. Consider your forearm and hand to be…

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Q: A 2.20kg pole is attached to a wall with a hinge as shown. A 5.70kg sign is suspended at the other…

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

A: Given data: Force applied, F→=10i^ N Moment arm, r→=5j^ m

Q: Question 1 In the figure below, what is the torque due to the weight of the beam? 200 N 2.00 m ㅏ 100…

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Q: Two children seat themselves on a seesaw. The one on the left has a weight of 400 N while the one on…

A: solution is given as

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: 1a. The above seesaw has a length of 4.00 m.  It is in equilibrium with the people in places as…

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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: 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 tightening to a torque of 28.5 N∙m. If a 30 cm long wrench is used,…

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Q: A tendon which connects to the lower leg bone 10 cm below the knee joint has to have a tension force…

A: From the figure, The distance between the knee joint and the centre of gravity: 0.100 m+0.150…

Q: A wrench exerts a torque of 50 NM on a hexagonal bolt. If the force on the end of the wrench is 50 N…

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Q: Wisely's banner is made up of a uniform 5:00- kg rectangular metal and is free to rotate about point…

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Q: A 25.0 kg propeller may be considered to be a 4.5 m long, thin rod, spun about its center. Assuming…

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Q: From Exam 3, you and your brother successfully knocked the tree over. If the tree broke instantly…

A: Since you have posted multiple questions we will solve the first question for you . If you want any…

Q: A plumber pushes straight down on the end of a long wrench as shown. What is the magnitude of the…

A: Given data: Force, F=900 N Distance, r=0.80 m Angle, θ=190

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

A: Given data: The length of the meter stick is L=1 m. The magnitude of the first force applied at the…

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.