(a) As a planet orbits its sun, how much torque does the sun's gravitational force exert on the planet? Gm planet"sun OT= 2Gm m OT= planet"sun Or=0 Gm planet"sun OT= 2r Gmplanet" sun T3= (b) As a planet orbits its sun, what is the change in the planet's orbital angular momentum? Gm AL = 'planetm sun At Gm AL = 'planet"'sun At AL = 0 Gm AL = planet" sun 2rAt O AL = Gm planet"'sun rAt

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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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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Gravity is an example of a central force that acts along the line connecting two spherical masses.
HINT
(a) As a planet orbits its sun, how much torque does the sun's gravitational force exert on the planet?
Gm.
O T=
planet'sun
2Gm
OT=
planet"sun
Or= 0
Gm planet" sun
OT=
2r
Gm planet"sun
O T=
(b) As a planet orbits its sun, what is the change in the planet's orbital angular momentum?
Gm
AL =
planet
m
sun At
Gm
AL =
planet'sun At
AL = 0
Gm
planet"sun
AL =
2rAt
O AL =
Gm
planet'sun
rAt
Transcribed Image Text:Gravity is an example of a central force that acts along the line connecting two spherical masses. HINT (a) As a planet orbits its sun, how much torque does the sun's gravitational force exert on the planet? Gm. O T= planet'sun 2Gm OT= planet"sun Or= 0 Gm planet" sun OT= 2r Gm planet"sun O T= (b) As a planet orbits its sun, what is the change in the planet's orbital angular momentum? Gm AL = planet m sun At Gm AL = planet'sun At AL = 0 Gm planet"sun AL = 2rAt O AL = Gm planet'sun rAt
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