Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

MCAT Math & Physics > Kinematic and Dynamics > Flashcards

Kinematic and Dynamics Flashcards

You may prefer our related Brainscape-certified flashcards:
MCAT flashcards Physics 101 flashcards AP® Physics flashcards
1
Q

angstrom

A

10E-10 m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

electron-volts

A

1.6E-19 J

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

vectors have ___ & ____

A

magnitude & direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

scalars have ____

A

only magnitude

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

resultant vector

A

the sum of two or more vectors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

tip-to-tail method

A

way of determining resultant vector through a graph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Pythagorean Theorem

A

X^2+Y^2=V^2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

vector subtraction

A

A-B=A+(-B)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

vector multiplication

A

B=nA, where B is new v and A is old. Direction is determined by sign of n

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

dot product: generate scalar quantity from vectors

A

AB = absAabsBcosθ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

cross product: generate vector such as torque

A

AB=absAabsB*sinθ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

displacement (x or d)

A

change in position in space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

distance (d)

A

scalar quantity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

velocity (v)

A

rate of change of displacement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

speed

A

rate of actual distance traveled

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

instantaneous velocity

A

v=lim(t app 0) Δx/ Δt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

average velocity

A

v=Δx/ Δt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Force

A

a vector quantity experienced as pushing or pulling on an object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

newton (N)

A

kg*m/s^2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Gravity

A

attractive force felt by all matter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

gravitational force

A

GmM/r^2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

friction

A

opposes the movement of objects

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

static friction (Fs)

A

0

24
Q

normal force (N)

A

component of force between two objects in contact that is perpendicular to the plane of contact between the object and the surface upon which it rests

25
Q

kinetic friction

A

Fk=UkN (Fk=kinetic friction, Uk=coefficient of kinetic friction and N=normal force)

26
Q

Mass (m)

A

amount of matter in an objectq

27
Q

Weight

A

mass*gravity

28
Q

center of mass

A

defined as three coordinates:x,y,z

29
Q

average acceleration

A

Δv/Δt

30
Q

instantaneous acceleration

A

lim(t->0)Δv/Δt

31
Q

Newton’s First Law, inertia

A

Fnet=ma=0; a body at rest or in motion w constant velocity will remain that way unless acted upon by a net force

32
Q

Newton’s Second Law

A

Fnet=ma; An object of mass m will accelerate when the vector sum of the forces results in some nonzero resultant force vector

33
Q

Newton’s Third Law

A

Fab= -Fba; to every action, there is an equal and opposite reaction

34
Q

Linear motion equations

A

Vf=Vi+at
x=Vit+.5at^2
Vf^2=Vi^2+2ax
x=vt

35
Q

free fall

A

acceleration is equal to gravity

36
Q

air resistance

A

opposes the motion of an object

37
Q

drag force

A

objects in free fall experience this

38
Q

terminal velocity

A

begins when drag force is equal in magnitude to weight of the object

39
Q

projectile motion

A

motion that follows path along two dimensions

40
Q

Vx and Vy in projectile motion

A

Vx changes at rate of g, Vx remains constant

41
Q

Inclined planes

A

motion in two dimensions, parallel and perpendicular to plane

42
Q

Components of inclined planes

A

Fgparallel= mgsinθ

Fgperpendicular=mgcosθ

43
Q

uniform circular motion

A

instantaneous velocity vector is always tangent to circular path

44
Q

centripetal force

A

points radially inward

45
Q

centripetal acceleration

A

centripetal force generates this acceleration

46
Q

Centripetal force equation

A

Fcent=mv^2/r

47
Q

dynamics

A

study of force and torques

48
Q

free body diagrams

A

diagram representation of forces

49
Q

translational equilibrium

A

exists when vector sum of all forces is zero

50
Q

rotational equilibrium

A

forces are applied against an object such that it rotates around a fixed pivot point

51
Q

fulcrum

A

fixed pivot point

52
Q

torque

A

generated by application of force some distance from the fulcrum

53
Q

lever arm

A

distance between applied force and fulcrum

54
Q

equation for torque

A

r*F=rFsinθ

55
Q

rotational equilibrium

A

when vector sums of all torque acting on an object is zero

MCAT Math & Physics (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions