P4 - Explaining Motion Flashcards
A force is a _____ or ____ on an object, caused by ______ with another object
push, pull, interacting
Contact forces are forces between ___ objects that are ___ _________.
E.g. Pushing a trolley
two, not touching
Non-contact forces are forces between ___ objects that aren’t _________.
two, touching
Friction is a _______ force between two objects/surfaces ________ past each other
This type of force is a ________ force
contact, sliding
contact
Electrostatic forces - The ________ or ________ of ______ when their _______ fields interact
This type of force is a ____ ________ force.
Opposites ________. Same charges _______.
attraction, repulsion, charges, electric
non contact
attract, repel
Magnetic Forces - The _________ or ________ between two ______ due to their ________ fields.
This type of force is a ____ _______ force.
attraction, repulsion, magnets, magnetic
non contact
Newtons Third Law - When two objects ________, the forces they _____ on each other are _____ and ________.
interact, exert, equal, opposite
When drawing force diagrams the ______ of the arrow represents the ______ of the force. Arrows also shows the _________ of the force.
length, size, direction
When a box is on a table the box _____ the table ________ and the table pushes the ___ ________.
pushes, downwards, box, upwards
Mass- The total amount of _______ in an object
matter
A given object will have the _____ ______ anywhere in the universe
same mass
