science chapter F1 forces and pressure:)

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science chapter F1 forces and pressure:) by Mind Map: science chapter F1 forces and pressure:)

1. Forces

1.1. what is a force?

1.1.1. it is a push or pull one object exerts on another towards our body(pull) from our body forward(push)

1.1.2. forces cannot be seen but its effects can be felt

1.2. what are the effects of forces?

1.2.1. make a stationary object move

1.2.2. cause a moving object to change dirrection

1.3. how can we measure a force?

1.3.1. in nuetons

2. 3 forces

2.1. gravity

2.1.1. from a height

2.1.2. uses of gravity positive we can stand without falling negative New node

2.2. friction

2.2.1. contact of 2 or more objects effects positive negative

2.3. magnetism

2.3.1. a magnet and magnetic metal or object effects positive negative

3. pressure

3.1. force per unit area

3.2. increase preasure

3.2.1. decrease surface area

3.3. formula for calculating pressure

3.3.1. force over area

3.4. si unit of measurment

3.4.1. Pascas