Torque and equilibrium lab answers
[DOC File]ANSWERS TO REVIEW QUESTIONS - School of Physics
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From equilibrium of the 50 N weight: T = 50 N. Force equilibrium of plank: CA + CB = T + W = 50 N + 200 N = 250 N . Torque equilibrium about point B: CA 2.40 m = T l.20 m ; CA = 25 N . and hence CB = 225 N . b) For the plank to be just about to tilt, contact at A must be just about to be lost: i.e. CA = 0.
[DOC File]Teacher Guide & Answers
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10. Possible answers include: white with blue lines, flat, thin, 1–2 g, flammable, solid. 11. Possible answers include: red/green/red & blue, cylindrical solid filled with liquid which has a high concentration of gas, 355 mL, pressure increases if shaken. 12. Possible answers include: color, rectangular. solid, made of paper and cardboard ...
[DOC File]1252 Lab 1
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• Use the concept of torque for a system that is in static equilibrium. • Relate the concepts of torque, angular acceleration and moment of inertia for rigid bodies. • Use the conservation principles of energy, momentum, and angular momentum for rigid body motion. Preparation: Read Paul M. Fishbane: Chapter 9, sections 9-2 to 9-6; Chapter 10.
[DOC File]Problem #1 Force in Equilibrium
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The answers to the Warm-up Questions should be written in your lab journal and turned in before you come to lab. If you completely understand the physics of these labs, you should find these questions simple and sometimes thought provoking. ... What is the net torque on an object when it is in equilibrium? What is the sum of the forces acting ...
[DOC File]Lab #6 - Torques and Center of Mass
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Lab #7 - Torques and Center of Mass Name: _____ ... we will show that torques can be calculated relative to any pivot point (or fulcrum), for a system in rotational static equilibrium. In step 7, we will also show that a stationary lever system must obey the First Condition of Equilibrium too. ... calculate the counterclockwise torque (CCWT ...
[DOC File]Lab Exercise: Find the Force, Luke - University of Tulsa
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The value of this torque is equal to the product of the force and the distance from the fulcrum (force x lever arm). When more than one force is applied to the board, the board will only be in equilibrium when the counterclockwise torque equals the clockwise torque.
[DOCX File]Investigation
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Investigation 8A: Static equilibrium. Essential questions: Can we use the conditions for static equilibrium to determine an. unknown mass? Objects remain at rest . only . when the net force and the net torque are zero. The converse is also true: if an object remains at rest, then . you know the net force and the net torque must be zero.
[DOC File]Honors Physics – 1st Semester Exam Review
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Equilibrium Forces. Find unknown force when Fnet = 0. Find force that will make Fnet = 0. Force of friction. Kinetic and static friction. Ff = FN. Torque. Torque = perpendicular force x lever arm. Formula: = F┴∙d Goal 6: Momentum and Impulse. VII. Mechanics Section 6 – Momentum and Impulse. Vocabulary: inertia, momentum, elastic ...
[DOC File]Rotational Equilibrium - Hendrix College
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As a result the sin(() has always equaled one. We will continue to work with systems with similar constraints in this lab. The condition for rotational equilibrium is essentially the same as the one for translational equilibrium: the sum of all the torques acting on a system must equal zero..
[DOC File]Torque Worksheet
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How much torque is produced? 30 Newton•meters of torque is required to close a door 1.5 meters wide. What force is needed to cause this torque? A 90.0 gram mass is 75 centimeters from the pivot point on a balance scale. What mass must be placed 45 centimeters from the pivot to create rotational equilibrium? Two students sit on a see-saw.
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