Forrhll Grand Prix Flashcards
(12 cards)
1
Q
What is the unit of force?
A
Newtons (N)
2
Q
What are the four types of forces?
A
Pull, push, friction, drag
3
Q
How do you measure weight/force
A
Newton meter
4
Q
What is produced when two forces are rubbed together
A
Friction
5
Q
When there is friction what does kinetic energy change to
A
Heat energy
6
Q
What force slows a moving object
A
Drag
7
Q
Speed equals
A
Distance divided by time
8
Q
Wa tis terminal velocity
A
When forces are balanced
9
Q
What are 2 different types of speed
A
Average and instantaneous
10
Q
What liquid reduces friction between 2 surfaces
A
Lubricant
11
Q
What force changes depending on gravity (mass never changes)
A
Weight
12
Q
What does a skydiver use to slow down
A
Parachute
