1. Fill in the blanks.
a.
Contact and Non-Contact Forces
object and a surface) that is in contact with one another.
b.
is an attractive force between any two objects
and causes objects to accelerate downward, towards the center of the Earth.
is a force between two objects (or an
c. A.
is experienced by any magnetic material in a
magnetic field. It is an attractive and repulsive force (push and pull)
d.
An object that is being stretched experiences a
e. An object at rest on a surface experiences
f. Two objects sliding past each other experience
g. An object moving through the air experiences.
a type of friction that slows falling objects.
j. An
h. A
that are not physically touching each other.
or another object.
i. The attractive and repulsive force (push and pull) between charged particles of
matter is an
is a force that can act between two objects
2. Circle the answers that are correct for each question.
is a force that is exerted on an object by a person
a. The factors that affect magnetic force.
Distance between magnets Size of magnet Mass of magnet
c. The factors that affect gravity.
, which is
b. The factors that affect electrostatic force.
Amount of charge Mass of particles Size of particles
Speed of magnetism
Distance between charges