Torque and static equilibrium problems
[DOC File]Physics 113 Midterm 1 - Wake Forest University
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The block is pulled 8.0 cm to the right from its equilibrium position and released from rest. The frictional force between the block and surface has a magnitude of 30 N. What is the kinetic energy of the block as it passes through its equilibrium position? a. 4.5 J. b. 2.1 J. c. …
[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.
[DOC File]CHAPTER 9: Static Equilibrium; Elasticity and Fracture
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20. The beam is in equilibrium. Use the conditions of equilibrium to calculate the tension in the wire and the forces at the hinge. Calculate torques about the hinge, and take counterclockwise torques to be positive. 25. The forces on the door are due to gravity and the hinges. Since the door . is in equilibrium, the net torque and net force ...
[DOC File]Chapter 5A - Wake Forest University
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Chapter 12 (Static equilibrium, elastic deformations) 2. A horizontal meter stick supported at the 50-cm mark has a mass of 0.50 kg hanging from it at the 20-cm mark and a 0.30 kg mass hanging from it at the 60-cm mark. Determine the position on the meter stick at which one would hang a third mass of 0.60 kg to keep the meter stick balanced. a ...
[DOC File]AP Physics Problems
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Unit 5: Torque and Rotational Mechanics (Approximately 4 weeks) Part 1: Torque and Rotational Equilibrium, Rotation about an axis. Chapters 11 and part of 13 in HRW Textbook. Major topics: Collisions in two dimension. Torque. Static equilibrium involving torque. Kinematics variables for rotational motion. Rotational motion with constant angular ...
[DOC File]AP Physics Multiple Choice Practice – Torque
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Jul 12, 2012 · AP Physics Multiple Choice Practice – Torque. 5. A uniform meter stick has a 45.0 g mass placed at the 20 cm mark as shown in the figure.If a pivot is placed at the 42.5 cm mark and the meter stick remains horizontal in static equilibrium, what is the mass of the meter stick? (A) 18.0 . g (B) 45.0
[DOC File]UNIT 6 - TTU
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STATICS AND TORQUE. Objectives. to understand the concept of torque. to be able to calculate torques. to understand the concept of static equilibrium. to be able to solve problems involving static equilibrium. 1.1 . Set up a rotary motion sensor with a rod attached to the middle, as in the picture below (Use a rod stand to support the rotary ...
[DOC File]Applied Mechanics of Solids
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Assume steady, quasi-static deformation (neglect accelerations). Express the equations of equilibrium in terms of . Solve the equilibrium equation, together with appropriate boundary conditions, to calculate . Find the torque necessary to rotate the external cylinder. Calculate the acceleration of a …
[DOC File]AP Physics – Applying Forces
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Aug 01, 2013 · Static equilibrium exists when an object has no motion, either linear or angular. There are two conditions which must exist in order to have your good old static equilibrium: The net force must be zero and the net torque must be zero. ( F = 0 ( ( = 0. This gives us some very powerful tools to solve static problems.
[DOCX File]Static Title Page.pdf
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Apr 29, 2011 · 1. State the condition for translational equilibrium. A.ΣF = 0. B.ΣF ≠ 0. C.Στ = 0. D.Στ ≠ 0. 2.Two forces, 12 N west and 5.0 N north, act on an object. What is the direction of a third force that would produce static equilibrium? A.23° south of east B.23° north …
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