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)...
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Please help with 3-4 for this free body diagram for circular motion

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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