3 — weight Flashcards
1
Q
Mass
A
Measure of amount of matter or substance in an object
(Beam balance used to measure)
2
Q
Weight
A
Gravitational force acting on an object that has mass
(Spring balance used to measure)
3
Q
Gravitational field
A
Gravitational field is a region which a mass experiences a force due to gravitational attraction
4
Q
Gravitational field strength
A
GRAVITATIONAL force acting per unit mass on an object
5
Q
Non-contact forces
A
Gravitational force, electrostatic force, magnetic force
6
Q
Contact forces
A
Forces which exist between objects that are in contact
Eg friction, air resistance, normal force, tension
