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Motion and Forces - Coggle Diagram
Motion and Forces
Forces
Forces change motion
A force is a push or a pull.
Newton's first law relates force and motion.
Force and mass determine acceleration.
Forces can change the direction of motion.
Newton's second law relates force, mass, and accerlation.
Forces act in pairs.
Newton's three laws describe and predict motion.
Newton's third law relates action and reaction forces.
Forces transfer momentun.
Objects in motion have momentum.
Momentum can be transferred from one object to another through collision.
Momentum is conserved.
Gravity, friction, and pressure
gravity is a force exerted by masses.
Masses attract each other.
Gravity deeps objects in orbit.
Friction is a force that opposes motion.
Friction occurs when surfaces slide against each other.
Motion through fluids produces friction.
pressure depends on force and area.
Pressure describes how a force is spread over an area.
Pressure acts in all directions in fluids.
Pressure in fluids depends on depth.
Fluids can exert a force on objects.
Fluids can exert an upward force on objects.
The motion of a fluid affects its pressure.
Forces can be transmitted through fluids.
Motion
An object in motion changes position.
Position describes the location of an object.
Refrence point
Motion is a change in position.
Speed measures how fast position changes.
Position can change at different rates.
Speed
Velocity includes speed and direction.
Acceleration measures how fast velocity changes.
Speed and direction can change with time.
accerlation
Acceleration can be calculated from velocity and time.
Work and Energy
Work is the use of force to move an object.
force is necessary to do work.
Objects that are moving can do work.
Energy is transferred when work is done.
Work transfers energy.
Work changes potential and kinetic energy
The total amount of energy is constant.
Power is the rate at which work is done.
Power can be calculated from work and time.
Power can be calculated from energy and time.
Machine
six simple machines have many uses.
The mechanical adavantage of a machine can be calculated.
There are six simple machines.
Machines help people do work.
Work transfers energy.
Output work is always less than input work.
Machines change the way force is applied.