Forces Flashcards
1
Q
How can you increase pressure?
A
Pressure can be increased by
1. Increasing the number of particles.
2. Increasing the temperature
3. Reducing the size of a container
2
Q
How do you calculate extension?
A
e = Final length - Original length
3
Q
How do you convert kg to newtons?
A
to do this, times the mass by the gravitational field strength to get your answer in newtons
4
Q
When someone pulls an arrow it starts to move. Why is this?
A
This is because there is no longer a force to balance the forward force on the arrow.
5
Q
What’s herd immunity?
A
Herd immunity is a form of indirect protection from an infection if a large percent of people become immune to that infection.
6
Q
What’s vaccination
A
A vaccination is a small quantity of a dead form of a dead pathogen.
