Formulas Flashcards
1
Q
Speed
A
Distance
________
Time
2
Q
Acceleration
A
Change in velocity
______________
Time
3
Q
Weight
A
Mass x gravity
4
Q
Density formula
A
Mass
______
Volume
5
Q
Hooke’s law (Force)
A
Spring constant x Extension
F= kx
6
Q
Force
A
Mass x acceleration
7
Q
Moment formula
A
Force x perpendicular distance from pivot
Nm= N x m
8
Q
Momentum formula
A
Mass x Velocity
9
Q
Impulse formula
A
Resultant force x Time
10
Q
Newtons 2nd law (Force and momentum)
A
Resultant force =
Change in momentum
_________________
Time
11
Q
Efficiency formula (energy)
A
Efficiency =
Useful Energy
______________x 100%
Total Energy
12
Q
Work done formula
A
force x distance
13
Q
Power formula (Energy)
A
Energy transferred
____________________
Time taken
14
Q
Kinetic Energy formula
A
1/2 mass x velocity(2)
15
Q
Gravitational Potential Energy formula
A
(mgh)
Mass x gravity x height
