forces Flashcards
1
Q
equation for speed
A
distance ÷ time
2
Q
relative speed if moving towards each other
A
a+b= relative speed
3
Q
relative speed if moving in same direction
A
a-b= relative speed
4
Q
what are forces
A
pushes and pulls that occur when two objects interact
5
Q
force is measured in what
A
newtons
6
Q
forces always act in what
A
a certain direction
7
Q
5 things forces can make object do
A
speed up, slow down, change direction, turn, change shape
8
Q
balanced forces do what
A
produce no change in movement