yo-yo swinging in a vertical circle, at the top of the arc 4. A pendulum bob swinging through the lowest point in its path Fc= !!

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter4: Forces In One Dimension
Section: Chapter Questions
Problem 90A
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Please help with 3-4 for this free body diagram for circular motion
drum of an
Fc=
Fc =
PATE
AVAME
7-3 Free-body Diagrams for Circular Motion, Part 1
For each situation 1- 10, follow the steps below to write the equation for Fc
•' Identify the object, its circular path, and the center of the circle.
Draw the free-body diagram (FBD).
DO include all forces that act on the object.
DO NOT include forces the object exerts on its surroundings.
Sketch the radial (±r) and the tangential (+t) or perpendicular (±p) axes on the FBD.
The radial axis, r, points from the object to the center of the circle.
Radially inward is the +r direction. Radially outward is the -r direction.
Write an equation for Fe in terms of the forces acting on the object. For example,
Fc = Fg - FN.
1. A yo-yo on a string, circling into the
page on a flat, frictionless surface
Fc= FT
2. A cart moving at constant speed over
the top of a circular hill
Fc=Eg-EN
+p
N on Earth by object
fu On Earth oy
Object
tr
C
Fr on
object by V Fq on object by
string I
Earth
fg an object
+r
7//11
4. A pendulum bob swinging through
the lowest point in its path
Fc =.
3.
yo-yo swinging in a vertical
circle, at the top of the arc
Fc=- fy
fnon Ew th by yo
| キY
VFgoo yoyo
I tY bu earth
Vrgon Earth
by bob
Transcribed Image Text:drum of an Fc= Fc = PATE AVAME 7-3 Free-body Diagrams for Circular Motion, Part 1 For each situation 1- 10, follow the steps below to write the equation for Fc •' Identify the object, its circular path, and the center of the circle. Draw the free-body diagram (FBD). DO include all forces that act on the object. DO NOT include forces the object exerts on its surroundings. Sketch the radial (±r) and the tangential (+t) or perpendicular (±p) axes on the FBD. The radial axis, r, points from the object to the center of the circle. Radially inward is the +r direction. Radially outward is the -r direction. Write an equation for Fe in terms of the forces acting on the object. For example, Fc = Fg - FN. 1. A yo-yo on a string, circling into the page on a flat, frictionless surface Fc= FT 2. A cart moving at constant speed over the top of a circular hill Fc=Eg-EN +p N on Earth by object fu On Earth oy Object tr C Fr on object by V Fq on object by string I Earth fg an object +r 7//11 4. A pendulum bob swinging through the lowest point in its path Fc =. 3. yo-yo swinging in a vertical circle, at the top of the arc Fc=- fy fnon Ew th by yo | キY VFgoo yoyo I tY bu earth Vrgon Earth by bob
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