Forces & Speed - Other questions Flashcards
1
Q
What is the mass of an object?
A
The amount of matter a thing is made of
2
Q
What is a Newton? (N)
A
A unit of force, written as: āNā
3
Q
Characteristics of a streamlined shape
A
- Rounded front
- Slowly tapering tail
- Smooth shape with no projections
4
Q
Examples of useful friction
A
Ability to create fire, to brake, to sharpen a pencil or other object
5
Q
Examples of unwanted friction
A
Carpet burn, scrachting the floor / furniture
