PPT-Rotational Dynamics General Physics I
Author : min-jolicoeur | Published Date : 2018-02-28
Mechanics Physics 140 Racquetball Striking a Wall Mt Etna Stewart Hall Torque The rotating effect of a force is greater if the force is greater The rotating effect
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Rotational Dynamics General Physics I: Transcript
Mechanics Physics 140 Racquetball Striking a Wall Mt Etna Stewart Hall Torque The rotating effect of a force is greater if the force is greater The rotating effect of a force is greater if the force is applied . CHE 6416. Michael Evans. 1. How does Microwave relate to other spectroscopies. Different types of motion. Translational. Vibrational. Rotational.. 2. What is Microwave Spectroscopy?. Microwave stimulates Rotational translations. Angular displacement, angular velocity, angular acceleration. Rotational energy. Moment of Inertia. Torque. Chapter 10:Rotation of a rigid object about a fixed axis. Reading assignment:. Chapter 10.1 to10.4, 10.5 (know concept of moment of inertia, don’t worry about integral calculation), 10.6 to . The results from our plaid stimuli extend those from prior random-dot studies that also showed distinctions . between . these MST-mediated (. radial versus rotational) motion judgments [4-9]. . Future experiments are needed to determine whether the present task effects reflect local speed differences, which can influence radial and rotational speed judgments [10-13].. Conservation of rotational momentum. 1. Why does a wheel keep spinning. ?. Why . is a bicycle stable when it is moving, but falls over when it . stops?. Why is it difficult to change the orientation of the axis of a spinning wheel?. Ellen Akers. Radians and Degrees. In degrees, once around a circle is 360˚. In radians, once around a circle is 2. π. A radian measures a distance around an arc equal to the length of the arc’s radius. If you ride near the outside of a merry-go-round, do you go faster or slower than if you ride near the middle?. It depends on whether “faster” means . a faster . linear speed (= speed). , ie more . We consider the rotation of . rigid bodies. . A rigid body is an extended object in which the mass is distributed spatially.. Where should a force be applied to make it rotate (spin)? The same force applied at . Motion. © 2016 Pearson Education, Inc.. Dynamics of Rotational Motion. (Conservation of angular momentum). Goals for Chapter 10. Torque: “angular force”. To see how torques cause rotational dynamics (just as linear forces cause linear accelerations). University of Michigan. Physics Department. Mechanics and Sound . Intro . Labs. Inclined Plane Experiment. Although it may seem daunting, rotational motion is fairly straightforward. In many ways it is analogous to the linear motion that you have studied previously. Rotational motion can be examined using the same principles of energy and momentum conservation that you have used previously. The equations that accompany these laws take a slightly different form, but at their root, they are based on the same physical principles. So begins your three part study of rotational motion which includes this lab, the rotating bar in . © 2016 Pearson Education, Inc.. Goals for Chapter 9 . To study angular velocity and angular acceleration.. To examine rotation with constant angular acceleration.. To understand the relationship between linear and angular quantities.. Angular Motion. . . . . . . 1. . . . . . . . . End Slide. . . . . . . . . . Angular Motion. . . . . . . . . . . . . . . . . Key Concepts. For each translational motion quantity (position, velocity, acceleration, force, mass, momentum, . kinetic energy). there is a rotational quantity. Same equations apply. . Angular velocity (sign!) and . Physics CNameANSWER KEYAP Review PacketLinear and angular analogsLinearRotationx positionx displacementvvelocityaTtangential accelerationVectors in rotational motionUse the right hand rule to determin Chapter 8. Magnitude of a Torque. What is a torque?. A quantity that measures the ability of a force to rotate an object around some axis.. r. . Example… . Imagine opening a door around a hinge..
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