Friction, Speed And Pressure Flashcards
1
Q
what is friction?
A
friction is the force of acts in the opposite direction to movement it is measured in Newtons (N)
2
Q
how do you calculate speed?
A
distance (m) ➗ time (s)
3
Q
how do you calculate pressure
A
force (N) ➗ Area (cm2)
4
Q
70N ➗20cm2
A
3.5N/cm2
5
Q
how could pressure in a Container be increased
A
adding heat