what is physics? Flashcards
(10 cards)
1
Q
the relationship between force and mass is _________.
A
directly proportional because the more mass the more force
2
Q
what is acceleration?
A
is the change i speed over a period of time
3
Q
true or false:
force is directly proportional to acceleration
A
true
4
Q
is acceleration directly or indirectly verla’s proportional to mass?
A
inversely (F = m x a)
5
Q
force (F) =
A
newtons (N)
6
Q
Mass (m) =
A
kilograms (kg)
7
Q
acceleration (a) =
A
metres per second squared (m/s2)
8
Q
what is newton’s second law ?
A
when force is applied to an object the object will accelerate
9
Q
what is newtons 1st law
A
an object will remain at rest of in motion unless it is acted upon by an unbalanced external force
10
Q
what is newton’s third law
A
for every action there is an equal but opposite reaction
