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forces - Coggle Diagram
forces
contact forces
push
explanation: one object moves another by contact
it is easier to push lighter objects
you can push a chair across a room
twist
it is easier to twist smaller objects
explanation: one object spins an other object.
you can twist open a water bottle lid.
normal
friction
explanation: an object moves across a ruff surface slowing to down
there is less friction on smooth surfaces
you can drag a table over the floor and it would curse friction.
Pull
You can pull open doors
Exploitation: One object moves away from another object while still touching it.
It is harder to pull heaver objects
non-contact forces
electrostatic
magnetism
you can use magnetism to pick up cirtan types of mettle
explanation: a magnet moves a mettle object with out touching it.
you can't use magnetism on all objects
gravity
the earth has a big mass so it has a strong gravity
explantion: gravity is the force of smaller objects being pulled towards bigger objects
every thing has gravity but the objects with lager mass has a higher gravity
