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# Physics - chapter 5

The term for the rate at which velocity is changing acceleration
What acceleration of an object depends on net force
This law says the acceleration produced by a net force on an object is directly proportional to the magnitude of the net force and is inversely proportional to the mass of the object Newton's second law
in order for friction to act on two objects they must be ____. touching
Any substance that flows, can be liquids or gases fluid
What is the term for the friction acting on something moving through air? air resistance
A(n)___ is a sketch showing all the forces acting on an object. free-body diagram
___ is the amount of force exerted per unit of area. pressure
What is the relationship between force and the acceleration on an object directly proportional
What is the relationship between force and the mass of an object? indirectly proportional
What is the SI unit of pressure? pascal
What is the relationship between pressure and area? indirectly proportional
What is the relationship between pressure and force? directly proportional
____ is the speed at which the acceleration of a falling object is zero because friction balances the weight terminal speed
____ is terminal speed together with the direction of motion for falling objects terminal velocity
a push or a pull force
the SI unit of force newton
Created by: abolvin