comprehensive final info

Question 1

a body will remain at rest or continue to move with a constant speed in a straight line unless acted upon by an outside force

Answer 1

newtons first law

Question 2

Law of acceleration

F=ma

Answer 2

newtons 2nd law

Question 3

for every force, there is an equal and opposite reaction force

Answer 3

newtons 3rd law

Question 4

what is the revised newtons 2nd law

Answer 4

F= mv/t

Question 5

formula for impuse

Answer 5

force x time

Question 6

______ is equal to change in momentum

Answer 6

Impulse

Question 7

FAR or RAF

Answer 7

1st class lever

Question 8

ARF OR FRA

Answer 8

second class lever

Question 9

AFR or RFA

Answer 9

3rd class lever

Question 10

lever that can do all four functions

Answer 10

1st class lever

Question 11

favors speed and ROM

Answer 11

3rd class lever

Question 12

favors force production

Answer 12

2nd class lever

Question 13

Resistance lever arm is always longer

Answer 13

3rd class lever

Question 14

force moment arm is always longer

Answer 14

2nd class lever

Question 15

examples of 1st class levers in body

Answer 15

neck extension

elbow extension

Question 16

examples of 2nd class levers in body

Answer 16

push up

toe raises

Question 17

examples of 3rd class levers

Answer 17

elbow flexion
knee extend and flex
shoulder extend and flex
hip extend and flex

Question 18

most common type of lever in the body

Answer 18

3rd class lever

Question 19

angular impulse formula

Answer 19

impulse = torque x time

Question 20

angular impulse is equal to ______

Answer 20

angular momentum (H)

Question 21

regardless of stance, the ______ cannot be located outside the _______ to maintain balance

Answer 21

COP

BOS

Question 22

the state of matter that makes things change, or has the potential to make things change

Answer 22

energy

Question 23

the energy that a body has due to its motion

Answer 23

kinetic energy

Question 24

the energy a body has that has the potential to change something but is not currently changing anything

Answer 24

potential energy

Question 25

formula for kinetic energy

Answer 25

KE= 1/2 mv squared

Question 26

the potential energy that a body has due to its position

Answer 26

gravitational potential energy

Question 27

the energy a body has due to its deformatin

Answer 27

strain potential energy

Question 28

the process of changing the amount of energy in a system

Answer 28

work

Question 29

formula for work

Answer 29

w= F x d

Question 30

_____ work means that the energy is entering the system

Answer 30

postive

Question 31

______ work means that the energy is leaving the system

Answer 31

negative

Question 32

at the top of a jump (apex), ________ = 0

Answer 32

kinetic energy

Question 33

as you go down, ______ energy is changed to ______ energy

Answer 33

potential energy is changed to kinetic energy

Question 34

- the time rate of doing work - how energy is leaving the system - how much force can be produced while moving quickly

Answer 34

power

Question 35

formula for power

Answer 35

power= work/ time (W)

Question 36

the turing effect of a force

Answer 36

Torque (T) or moment of force (M)

Question 37

formula for torque

Answer 37

T= moment arm x force

Question 38

formula for the angular equivalent of newtons 2nd law

Answer 38

T= moment of inertia x angular acceleration

Question 39

resistance to change in motion, specifically a resistance to change in body's velocity

Answer 39

inertia

Question 40

resistance to change in a moving object | L=mv

Answer 40

Momentum

Question 41

angular equivalent of mass; how hard it is to rotate something I=mk(squared)

Answer 41

moment of inerita

Question 42

angular momentum formula

Answer 42

H= moment of inertia x angular velocity

Question 43

the study of motion w/o considering what is causing the motion (the geometry of motion)

Answer 43

kinematics

Question 44

a change in position - measured as a length of the differences in position between two instances in time - vector

Answer 44

displacement (delta p)

Question 45

how far a body has traveled - measured as the actual length of the route the body took to change its position - scalar

Answer 45

distance (d)

Question 46

where an object is located in a frame of reference

Answer 46

postion

Question 47

how fast a body is moving with no regard to direction | scalar

Answer 47

speed (s)

Question 48

how fast a body is moving in a particular direction - change in postion/ change in time - vector

Answer 48

velocity

Question 49

how rapidly something is changing velocity - how fast something is speeding up or slowing down - vector

Answer 49

acceleration

Question 50

if a person is running in the + x direction and they have a + velocity and a + acceleration, this indicates they are

Answer 50

speeding up

Question 51

if a person is running in the + x direction and they have a + velocity and a - acceleration, this indicates they are

Answer 51

slowing down