Mind map
Concepts
Map content
Concepts
force:strength used upon an object; physical coercion; violence:
mass:a body of matter, usually of indefinite shape:
push: to press against with force in order to move:
pull: to strain
gravitational: the force of attraction between any two masses.
inertial:the property of matter by which it keeps its state so long as it is not acted upon by an external force