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A phonograph record of Mozart's N.41 Symphony is whirling around at 103 rpm. Two balls, each of mass 1 × 10-1 kg, are sitting on the disk, and are at rest with respect to the disk. The first one, "ball 1" sits the end of the paper label, 5 cm from the center of the record. The second one, 2, sits 10 cm out from the center, on the very edge of the record, as shown in the figure. What is the ratio of the friction forces acting on them? Ratio = (friction on ball 2/friction on ball 1) ball a) 0.5 b) 2 c) 1 d) 0.25 e) Not enough information to determine. 4. A wheel is spun up from rest by application of a force applied to the rim of the wheel. Consider the wheel to be in the plane of the paper, rotating 5. clockwise. This force must point in what direction? a) Towards the center of the wheel. b) Into the page. c) At the top of the wheel pointing left. d) At the bottom of the wheel, pointing right. e) It is impossible to tell with the information given.

A phonograph record of Mozart's N.41 Symphony is whirling around at 103 rpm. Two balls, each of mass 1 × 10-1 kg, are sitting on the disk, and are at rest with respect to the disk. The first one, "ball 1" sits the end of the paper label, 5 cm from the center of the record. The second one, 2, sits 10 cm out from the center, on the very edge of the record, as shown in the figure. What is the ratio of the friction forces acting on them? Ratio = (friction on ball 2/friction on ball 1) ball a) 0.5 b) 2 c) 1 d) 0.25 e) Not enough information to determine. 4. A wheel is spun up from rest by application of a force applied to the rim of the wheel. Consider the wheel to be in the plane of the paper, rotating 5. clockwise. This force must point in what direction? a) Towards the center of the wheel. b) Into the page. c) At the top of the wheel pointing left. d) At the bottom of the wheel, pointing right. e) It is impossible to tell with the information given.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A phonograph record of Mozart's N.41 Symphony is whirling around at 103 rpm. Two balls, each of mass 1 × 10-1 kg, are sitting on the disk, and are at rest with respect to the disk. The first one, "ball 1" sits the end of the paper label, 5 cm from the center of the record. The second one, 2, sits 10 cm out from the center, on the very edge of the record, as shown in the figure. What is the ratio of the friction forces acting on them? Ratio = (friction on ball 2/friction on ball 1) ball a) 0.5 b) 2 c) 1 d) 0.25 e) Not enough information to determine. 4.
Transcribed Image Text:A phonograph record of Mozart's N.41 Symphony is whirling around at 103 rpm. Two balls, each of mass 1 × 10-1 kg, are sitting on the disk, and are at rest with respect to the disk. The first one, "ball 1" sits the end of the paper label, 5 cm from the center of the record. The second one, 2, sits 10 cm out from the center, on the very edge of the record, as shown in the figure. What is the ratio of the friction forces acting on them? Ratio = (friction on ball 2/friction on ball 1) ball a) 0.5 b) 2 c) 1 d) 0.25 e) Not enough information to determine. 4.
A wheel is spun up from rest by application of a force applied to the rim of the wheel. Consider the wheel to be in the plane of the paper, rotating 5. clockwise. This force must point in what direction? a) Towards the center of the wheel. b) Into the page. c) At the top of the wheel pointing left. d) At the bottom of the wheel, pointing right. e) It is impossible to tell with the information given.
Transcribed Image Text:A wheel is spun up from rest by application of a force applied to the rim of the wheel. Consider the wheel to be in the plane of the paper, rotating 5. clockwise. This force must point in what direction? a) Towards the center of the wheel. b) Into the page. c) At the top of the wheel pointing left. d) At the bottom of the wheel, pointing right. e) It is impossible to tell with the information given.
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