gravity and friction Flashcards
1
Q
weight
A
the pull of gravity on your body
2
Q
gravity
A
the force that attrcts a body to the center of the earth.
3
Q
mass
A
amount of matter
4
Q
balance
A
used to compare masses of objects
5
Q
spring scale
A
used to measure force
6
Q
force
A
strength or energy as an attribute of physical action or movement
7
Q
newton
A
metric unit of force
8
Q
friction
A
a contact force that resist motion between two objects
9
Q
acceleration
A
the rate at which velocity changes over time
10
Q
velocity
A
is the speed of an object in a particular direction.
