Mass weight and gravity
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12 Terms
What is mass
it is the amount of matter in an object, it is measured in kgs
What is weight?
It is the gravitational force on an object that has mass, it is measured in newtons
What is gravity?
It is the force of attraction between masses.
How much is gravity on earth?
9.8
how do we calculate gravity and what’s the unit for gravity?
Gravity= weight/ mass
Unit= n/kg
how do we calculate mass using weight and gravity and what’s the unit for mass
Mass= weight/ gravity
Unit= kg
how do we calculate weight and what’s the unit for weight
Weight= mass * gravity
Unit= newtons
When gravity decreases, what happens to weight and mass?
Weight= decreases
Mass= stays the same
When gravity increases, what happens to weight and mass?
Weight= increases
Mass= stays the same
The gravitational forces are equal to…
the weight of the object
What is support force?
Support force keeps an object from falling, so if there is no support force, the object will fall.
practice calculating mass weight and gravity