Formulas Flashcards
(32 cards)
1
Q
distance/displacement
A
d=vt
2
Q
average speed
A
total distance/total time
3
Q
average velocity
A
displacement/time
4
Q
acceleration
A
Vf-Vo/t
5
Q
final velocity
A
Vo+at
6
Q
acceleration of gravity
A
9.8m/s^2
7
Q
force
A
mass/acceleration
8
Q
weight
A
massxgravity
9
Q
gravitational force
A
Gm1m2/r^2
10
Q
unit of force
A
newton
11
Q
unit of gravitational force
A
Nm^2/kg^2
12
Q
universal gravitational constant
A
6.67x10^11
13
Q
momentum
A
massxvelocity
14
Q
unitof momentum
A
kgm/s
15
Q
impulse
A
forcextime
16
Q
unit of impulse
A
Ns
17
Q
impulse momentum theory
A
mv2-mv1
18
Q
force can also be calculate
A
change in momentum/change in time
19
Q
work
A
fd or fdcostheta
20
Q
kinetic energy
A
1/2mv^2
21
Q
unit of energy
A
joules
22
Q
potential energy (gravitational)
A
mgh
23
Q
elastic potential energy
A
1/2kx^2
24
Q
spring constant (k)
A
hooke’s law: f=kx
25
newtonsthird law
for every action there is an equal or opposite reaction
26
net work (?)
change inkinetic energy
27
kinetic energy increase,work ?
increase
28
kinetic energy formula 2
1/2lw^2
l=mass moment inertia
w=angular velocity
29
everytimea force and displacement is at 90 deg work done is
zero
30
power
work/time
31
1 watt is ____ J/s
1
32
1hp=____watt
746
