Chapter 8.4 Scale Amd Measurement Flashcards
1
Q
Terminal speed
A
the constant speed reached by a falling body. A body reaches terminal speed when the force of gravity pulling it down is balanced by the air resistance pushing against it
2
Q
Weight
A
a measure of the size of the gravity force pulling an object towards the centre of a massive body, such as the Earth. The weight of an object depends on the object’s
3
Q
Mass
A
a measure of the amount of material in an object of substance
4
Q
Newtons
A
the unit for measuring forces
5
Q
Air resistance
A
the force of air pushing on an object as the object moves through the air
