Newtons Law Flashcards
What is air resistance?
A force of friction produced when an object moves through the air
What is centre of mass mean?
The point representing the mean position of the matter in a body
What are contact forces
A force exerted between two objects when they are touching
What is inertial mass
A measure of how difficult it is to change the velocity of an object
What re non-contact forces
The push or pull acting between objects that are not physically touching when the interact
Terminal velocity
The maximum speed of an object, reached when the forces moving the object are balanced by its frictional forces
What is thrust
A force used to move a body forwards or up
What is velocity
The speed of an object in a particular direction
What is weight
The force acting on an object due to the pull of gravity from a massive object like a planet