A car drives at steady speed around a perfectly circulartrack.(a) The car’s acceleration is zero.(b) The net force on the car is zero.(c) Both the acceleration and net force on the car pointoutward.(d) Both the acceleration and net force on the car pointinward.(e) If there is no friction, the acceleration is outward.
A car drives at steady speed around a perfectly circulartrack.(a) The car’s acceleration is zero.(b) The net force on the car is zero.(c) Both the acceleration and net force on the car pointoutward.(d) Both the acceleration and net force on the car pointinward.(e) If there is no friction, the acceleration is outward.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 63PQ: A 75.0-g arrow, fired at a speed of 110 m/s to the left, impacts a tree, which it penetrates to a...
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Question
A car drives at steady speed around a perfectly circular
track.
(a) The car’s acceleration is zero.
(b) The net force on the car is zero.
(c) Both the acceleration and net force on the car point
outward.
(d) Both the acceleration and net force on the car point
inward.
(e) If there is no friction, the acceleration is outward.
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