Questions1. Explain how it is possible for a large force to produce a small torque, and how it is possible for a small force to producea large torque.Find the tension force in the cord supporting the meterstick for each part of the experiment. Explain how the FirstCondition of Equilibrium (19.1) is satisfied for the meterstick in each part of the experiment.3. What is the condition for the static equilibrium of a rigid body?2.abic 19.3..the average for the location of the center of gravity for the non-uniform and uniform meterstick.116$1104104104

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Description: Questions1. Explain how it is possible for a large force to produce a small torque, and how it is possible for a small force to producea large torque.Find the tension force in the cord supporting the meterstick for each part of the experiment. Expla

1. By the definition of torque , Torque = ( Force ) × ( distance from center of…

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Explain how it is possible for a lar large torque. Find the tension force in the core Condition of Equilibrium (19.1) is What is the

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter9: Statics And Torque

Section: Chapter Questions

Problem 1PE: (a) When opening a door, you push on it perpendicularly with a force of 55.0 N at a distance of...

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(a) When opening a door, you push on it perpendicularly with a force of 55.0 N at a distance of 0.850m from the hinges. What torque are you exerting relative to the hinges? (b) Does it matter if you push at the same height as the hinges?
A. Find the required F to achieve Net Torque = 0. Assume b = 2a. B. After a design modification, all forces including F stay the same. If new design is basedon b = 1.5a, what will be the net torque after modifications?
a. A downward force with magnitude 3N is applied to the right end of the rod. What is the torque on the rod about an axis through the pivot point (on the left end)? Give magnitude and direction. b. An upward force with magnitude 6N is applied to the middle of the rod. What is the torque on the rod about an axis through the pivot point (on the left end)? Give magnitude and direction. c. If both forces described in parts a and b are applied at the same time, what is the net torque on the rod?
F2, Problem 2. Three 10-N forces act on a beam as shown to the right. a. Calculate the torque produced by force 1 about point P. b. Calculate the torque produced by force 2 about point P. c. Calculate the torque produced by force 3 about point P. d. Calculate the net torque about point P. 60° 0.5 m 0.5m 0.5 m
A rigid beam of mass 7.12 kilograms and length 1.57 meters is fixed at point P, around which the beam can rotate. a. What is the torque on the beam caused by only gravity? Include units in your answer. b. If there is no force F2, what force F1 is required to put the beam in rotational equilibrium? Include units in your answer. c. If force F1 is only 20 newtons, what force F2 exerted 0.35 meters from point P and acting at an angle of 45.7 degrees is required to put the beam in rotational equilibrium? Include units in your answer. PLEASE RESPOND IN HANDWRITING
5. One end of a uniform rod of weight wrod is supported by a cable. The other end rests against a wall where it is held by static friction. An additional weight w is hung a distance x from the wall. Assume that the rod is in mechanical equilibrium. 37° a. Draw the torque diagram associated with the uniform rod. Label all force components in your diagram. b. For each force component in your torque diagram, determine whether the torque generated is positive, negative, or zero.
A board of mass mand length l is attached to a wall and a rope that makes an angle of theta, as shown. A block of mass M hangs from the right end of the board. 1. Using variables, write Newton’s 2nd law in the x-direction.Hint: You can leave the hinge force as Fhinge x. 2. Using variables, write Newton’s 2nd law in the x-direction.Hint: You can leave the hinge force as Fhinge y.
a. What is the maximum torque applied by the cable? (Give your answer in N m.) b. What is the torque due to the weight of the bridge? (Give your answer in N m.) c. How far can Lancelot ride out along the bridge before the cable breaks? (Give your answer in m.) Note: At his maximum distance, the torque from the cable will equal the torque from both the weight of the bridge and the weight of Lancelot.
Complete the following statement: When determining the net torque on a rigid body, only the torques due to a. internal forces are considered. b. external forces are considered. C. forces that are either parallel or perpendicular to the lever arms are considered. d. forces that form action-reaction pairs, as inapplying Newton's third law of motion, areconsidered. e. internal and external forces are е. considered.
Show that a sphere of radius R that is rolling without slipping has angular momentum and momentum in the ratio L/p - (2/5)R. Instruction 1. Draw a free body diagram of a rolling sphere and write down net force and not torque equations. (The surface is not frictionless.XYou do not need this part to answer the question, but I want you to practice setting up equations from rotational motion.) 2. Find the relationship between linear speed and angular speed. 3. Calculate the momentum and angular momentum and show the ratio is L/p = (2/5)R
Katherine is attempting a biceps curl with a 100 N dumbbell. She is standing upright, and her forearm is horizontal. The moment arm of the dumbbell about Katherine’s elbow joint is 30 cm.a. What torque is created by the dumbbell about the elbow joint?b. If the elbow flexor muscles contract with a force of 1000 N and hold the barbell in static equilibrium, what is the moment arm of the elbow flexor muscles about the elbow joint?
4. A uniform stone block of mass M with a L height of 2L and a width of L is being pushed with a force equal to twice the 2Mg weight at its top right corner, when it just 2L starts to tip about its lower left corner. Note that the corner does not slide. a. Draw an extended free body diagram showing where the forces act on the block. Remember the weight acts at the axis of rotation center of mass. b. What is the torque due to the pushing force about the axis of rotation at the lower left corner shown? Assume the box is just starting to tilt so it is essentially upright. Take counterclockwise (cCW) as positive. Hint: In this case, the easiest way to find the torque is to use the lever arm. c. What is the torque due to the weight about the axis shown? d. What is the torque due to the friction force and normal force about the axis of rotation shown? e. The moment of inertia of a rectangle about an axis through a corner edge is I = M(W² + H²)/3 where W is the width and H is the height. What…