p5 forces Flashcards
1
Q
what is a scalar +eg
A
has magnitude(numerical value)
-speed
-distance
-time
-mass
-temp
2
Q
what is a vector +eg
A
magnitude and direction
-velocity
-displacement
-acceleration
-force
-weight
3
Q
contact force +eg
A
objects are physically touching
-air resistance
-friction
-tension
-reaction force
4
Q
non contact force +eg
A
objects are not touching
-magnetic
-electrostatic
-gravitational
5
Q
what force is air resistance and what does it do
A
collisions between objects and air particles
contact force
6
Q
what is displacement
A
difference in starting and ending point
7
Q
what is distance
A
sum of indiviual distances