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Forces by Mind Map: Forces

1. What?

1.1. a push or a pull

1.1.1. allows an object to move from one place to another

1.2. many things we do involve force

1.3. we cannot see forces

1.3.1. only see & feel their effects

2. How?

2.1. objects move when a force is applied

2.2. greater force= longer distance & faster speed

2.3. Force starts and stops an object from moving

2.4. change direction

2.5. change shape

2.6. change speed

3. Why?

3.1. makes our lives easier

3.2. identify types of forces

3.3. how forces affect our daily lives

4. Types

4.1. Elastic Spring

4.1.1. found in... clothes peg stapler battery holder pens spring mattress

4.1.2. examples of obj springs, rubber bands, bungee chords spring balance measure force neede to pull objects across table

4.1.3. what? materials/obj that change shape when force is applied returns to original shape when force is removed But there is a limit

4.1.4. how? pull stretches push compress

4.2. Gravity

4.2.1. what? pulls everything down to earth force that acts at a distance

4.2.2. water flows downwards

4.2.3. effects? increases speed when going downslope makes things in the air fall down BUT! further obj from earth = lesser pull of gravity WEIGHT all obj on earth has weight gravitational force between object and Earth

4.2.4. uses? refrigerator doors magnetic buttons 'MagLev' trains

4.2.5. what? force that acts at a distance pushing and pulling actions of magnets

4.3. Magnetic

4.3.1. effects? attracts magnetic materials

4.4. Friction

4.4.1. what? when 2 surfaces rub together opposes motion acts opposite of direction of moving obj produces heat

4.4.2. pros grip tyres, shoes

4.4.3. cons obj move slowly overheat wear out

4.4.4. solutions lubricants rollers & wheels ball bearings hovercrafts air cushion

4.4.5. when else is friction useful/useless?

5. Effects of forces

5.1. obj starts moving

5.1.1. faster

5.1.2. slower

5.1.3. change direction

5.1.4. stop moving

5.2. obj changes shape