forces Flashcards
1
Q
what is scalar quantity
A
a quantity that only has a magnitude
2
Q
what is a vector quantitiy
A
a quantity that has both a magnitude and associated direction
3
Q
what is a force
A
a push or pull acting on an objcet due to an interaction with another object
4
Q
give me 3 examples of contact forces
A
friction
air resistance
tension
5
Q
3 examples of non contact force
A
gravitational
electristatic
magnetic
6
Q
give 3 examples of vector quantities
A
velocity
displacement
forces
7
Q
give 3 examples of scalar quantites
A
temperature
time
mass
speed
distance
engergy
8
Q
unit used for weight
A
newtons
9
Q
unite used for gravitational field strength
A
N/kg