A ball of mass m moves along a track in the shape of vertical circular loop. There are 2 forces acting on the ball -- the normal force exerted by track (Ntrack) and gravity (mg). Ignore friction and air resistance. The vectors v (velocity) and a (total acceleration) have an angle ◊ between them, which changes as the ball moves. Check all the answers which are true statements. There may be more than one correct answer! when the ball is on the way up the loop, 0 > 90°º the magnitude of a is always smaller than g, no matter how fast the ball moves 0 = 90° at the "side" points (halfway up the loop) at the bottom of the loop, Ntrack is stronger than mg the ball falls off the track if Ntrack = 0
A ball of mass m moves along a track in the shape of vertical circular loop. There are 2 forces acting on the ball -- the normal force exerted by track (Ntrack) and gravity (mg). Ignore friction and air resistance. The vectors v (velocity) and a (total acceleration) have an angle ◊ between them, which changes as the ball moves. Check all the answers which are true statements. There may be more than one correct answer! when the ball is on the way up the loop, 0 > 90°º the magnitude of a is always smaller than g, no matter how fast the ball moves 0 = 90° at the "side" points (halfway up the loop) at the bottom of the loop, Ntrack is stronger than mg the ball falls off the track if Ntrack = 0
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)...
Question
![A ball of mass m moves along a track in the shape of vertical circular loop. There are 2
forces acting on the ball -- the normal force exerted by track (Ntrack) and gravity (mg).
Ignore friction and air resistance.
The vectors v (velocity) and a (total acceleration) have an angle ◊ between them, which
changes as the ball moves.
Check all the answers which are true statements. There may be more than one correct
answer!
when the ball is on the way up the loop, 0 > 90°º
the magnitude of a is always smaller than g, no matter how fast the ball moves
0 = 90° at the "side" points (halfway up the loop)
at the bottom of the loop, Ntrack is stronger than mg
the ball falls off the track if Ntrack
= 0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8dc655a5-0114-4983-becd-0bcc5b4edffa%2F7be16e11-88c2-4de5-bfa5-4e06fadb9e8b%2F6i4rbn_processed.png&w=3840&q=75)
Transcribed Image Text:A ball of mass m moves along a track in the shape of vertical circular loop. There are 2
forces acting on the ball -- the normal force exerted by track (Ntrack) and gravity (mg).
Ignore friction and air resistance.
The vectors v (velocity) and a (total acceleration) have an angle ◊ between them, which
changes as the ball moves.
Check all the answers which are true statements. There may be more than one correct
answer!
when the ball is on the way up the loop, 0 > 90°º
the magnitude of a is always smaller than g, no matter how fast the ball moves
0 = 90° at the "side" points (halfway up the loop)
at the bottom of the loop, Ntrack is stronger than mg
the ball falls off the track if Ntrack
= 0
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