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9Kd force and motion - Coggle Diagram
9Kd force and motion
Forces
Gravity, weight, pull, push, thrust, upthrust, air/water resistance, friction
Unbalanced force
when force going to opposite way is not equal
If force is unbalance it is moving.
Balanced force
it is balanced when forces going to opposite way is equal
If force is balanced it is not moving.
Machine
Pulley
Pulley is used to pull up heavy things
You can pull things up easily because their is less friction
Although you need less force pull things up you need to pull longer distance
Lever
You can lift heavy thing using less force
If the distance between pivot and effort longer you need less force and if the distance between load and pivot shorter it decrease the amount of force you need to use
Ramp
Speed
