You are standing still on a bathroom scale. The scale shows your weight 140 lbs. How much is the support force? A. ZERO B. 140 x 9.8 m/s^2 C. 140N D. 140 lbs
You are standing still on a bathroom scale. The scale shows your weight 140 lbs. How much is the support force? A. ZERO B. 140 x 9.8 m/s^2 C. 140N D. 140 lbs
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter7: Rotational Motion And Gravitation
Section: Chapter Questions
Problem 10CQ: A car of mass m follows a truck of mass 2m around a circular turn. Both vehicles move at speed v....
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You are standing still on a bathroom scale. The scale shows your weight 140 lbs. How much is the support force?
A. ZERO
B. 140 x 9.8 m/s^2
C. 140N
D. 140 lbs
Then
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choose all that apply to centripetal force.
A. Gravitational and electrical forces can produce
centripetal forces .B. Centripetal force depends on tangential spreed and radius of curvature .
C. twice the radius needs half the centripetal force.
D. Measured in the units of N or kg m/s^2
E. Any type of force directed towards a fixed center.
F. Twice the speed needs four times the centripetal force.
G. Centripetal force depends on the mass, tangential speed and radius of the curvature.
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