circ mot
0.0(0)
Studied by 0 people0.0(0)
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/27
Earn XP
Description and Tags
Study Analytics
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
28 Terms
1
New cards
Uniform Circular Motion
Constant Speed in a Circular Path
2
New cards
Is circular motion a form of accelerated motion?
yes
3
New cards
What causes acceleration
force
4
New cards
How do you change an object’s direction without changing its speed?
Use a force that acts perpendicularly to the direction of its velocity
5
New cards
To make an object move with uniform circular motion, the net force must always be directed toward the ___
center of the circle (inward)
6
New cards
Centripetal Force
Any force that acts inward
7
New cards
\+velocity
\+inward force
8
New cards
\+mass
\+Inward force
9
New cards
\+ radius
* inward force
10
New cards
FC=
mv^2/r
11
New cards
AC=
v^2/r
12
New cards
Period (T)
time it takes to complete one revolution
Units: s
r = 1/f
Units: s
r = 1/f
13
New cards
Frequency (f)
the number of revolutions made per unit of time
Units: rev/s
f = 1/r
Units: rev/s
f = 1/r
14
New cards
Object’s linear speed (v) =
v = 2pir/T or v = 2pirf
15
New cards
FT =
mv^2/r
16
New cards
\#g’s =
FN/FW or v^2/r/g
17
New cards
v(using g’s) =
root(#g\**r**g)
18
New cards
FC required =
FSMAX =
FSMAX =
mv^2/r
umg
umg
19
New cards
What effect does a vehicle’s mass have on its ability to turn?
No effect
20
New cards
radius +
max speed +
21
New cards
u +
max speed +
22
New cards
speed +
min radius +
23
New cards
u +
min radius -
24
New cards
radius +
u -
25
New cards
velocity +
u +
26
New cards
As an object spins faster
horizontal component of tension +
vertical component always mg
angle +
vertical component always mg
angle +
27
New cards
Tsintheta =
Tcostheta =
tantheta =
Tcostheta =
tantheta =
mv^2/r
mg
v^2/rg or Fx/Fy
mg
v^2/rg or Fx/Fy
28
New cards
v (banked turn) =
root(rgtantheta)
Note 
Flashcards (88)