Forces and Motion Flashcards
1
Q
What is the equation for weight?
A
weight (N) = mass(kg) x gravitational field strength(N/kg)
2
Q
what is the letter equation for weight?
A
W = m x g
3
Q
What is the equation for force needed to accelerate?
A
force (N) = mass(kg) x acceleration(m/s squared)
4
Q
what is the letter equation for forceneeded to accelerate?
A
F = m x a
5
Q
what is the equation for momentum?
A
momentum(kg m/s) = mass(kg) x velocity(m/s)
6
Q
what is the equation for force in momentum?
A
force = mass x change in velocity / time
7
Q
what is the letter equation for force in momentum?
A
F = m(v-u) / t
8
Q
what is the alternative equation for force in momentum?
A
force = change in momentum / time
9
Q
what is the alternative letter equation for force in momentum?
A
F = mv-mu / t
