Forces and Pressure

1. Forces

1.1. what is a force

1.1.1. it is a push or pull

1.2. what are the types of forces

1.2.1. gravitational force

1.2.1.1. also known as gravity

1.2.2. frictional force

1.2.3. magnetic force

1.3. what are the effects of forces

1.3.1. gravity

1.3.1.1. keeps us from floating off the ground

1.3.2. friction

1.3.2.1. keeps us from slipping

1.3.3. magnetic

1.3.3.1. able to attract and repel certain magnetic objects

1.4. how do we measure a force

1.4.1. take mass in kg divided by the amount of gravity which is 10

1.5. cons of forces

1.5.1. causes wear and tear

1.5.2. gives out unnecessary energy

2. Pressure

2.1. what is pressure

2.1.1. pressure is the amount of forces per unit surface area

2.2. how to increase pressure

2.2.1. we can increase the

2.3. calculating pressure

2.3.1. to calculate pressure we take the amount.of surface area