8J Forces Flashcards
1
Q
Types of drag are
A
Water resistance and air resistance
2
Q
How do you reduce drag
A
Having a streamlined shape
3
Q
What is a magnet
A
A piece of metals that attracts other metals
4
Q
Examples of magnetic metals
A
Iron nickel cobalt
5
Q
What are the two end of magnets killed
A
North Pole and South Pole
6
Q
What is an electromagnet
A
A magnet made using electricity
7
Q
How to increase strength of an electromagnet
A
Increase the number coils on the wire
Increase the current in the wire
Use a magnetic core
