A force that is applied by an object in contact with one another
Contact Force
Issac Newton
+ sign represents what type of charge
positive
magnets
Non-contact force
gracity pulls objects to the center of the ______
this sign - represents what type of charge
negative
what happens when two north poles are beside each other
they repel
type of force holding a balloon on a wall
when objects pull towards each other
attract
in space our ______ will stay the same
mass
a negative charge and a negative charge will
repel
what happens if a north and south pole are beside each other
they attract
leaves falling to the ground
gravity
when objects push each other away
repel
in space our _________ will change because of the change in gravity
give an example of electrostatic forces
answers will vary
these three metals are magnetic
cobalt, nickel, iron
electrostatic
an invisible force that causes objects to attract or repel
magnetism
would we would weigh __________ on the moon compared to what we weigh on Earth
less
when we feel a shock, electric charges are
jumping
what two ways can you make a non-magnetic metal magnetic
striking and rubbing
printer
magnet