forces and speed Flashcards
1
Q
what is a force
A
a push or a pull
2
Q
what ways are there to reduce friction
A
lubrication and streamlining
3
Q
thrust
A
a push by a engine
4
Q
newtons
A
the unit that measures force
5
Q
push
A
a force
6
Q
pull
A
a force
7
Q
unbalanced
A
forces on the object are not equal
8
Q
equilibrium
A
balanced
9
Q
air resistance
A
the force on an object that slows it down when it is travelling through air
10
Q
driving force
A
the force that pushes or pulls an object
11
Q
streamlined
A
round front with tapering tale
12
Q
weight
A
the force of the earth on an object due to its mass
13
Q
kilograms
A
the unit for mass
14
Q
mass
A
the amount of matter something is made out of
15
Q
gravity
A
the non-contact force that acts between two masses
