Week 3 AS- Momentum and moments Flashcards
1
Q
Little ‘g’
A
Force per unit mass, N/kg
2
Q
Free Fall
A
An object is in free fall when its weight is the only force acting on it.
3
Q
Moment
A
The product of force and perpendicular distance from the pivot to the force. Nm
4
Q
Linear Momentum
A
The product of mass and velocity. kg m/s
5
Q
Principle of Moments
A
In equilibrium, the sum of the clockwise moments is equal to the sum of the anti-clockwise moments.
6
Q
Newton’s Second Law Equation 1
A
F = m (v-u)/t
7
Q
Newton’s Second Law equation 2
A
F = ma
8
Q
Little ‘g’ equation
A
g = F/m
9
Q
Momentum equation
A
p = mv
10
Q
Moment equation
A
M = f x perpendicular distance
