forces and motions Flashcards
1
Q
force
A
is a puch or a pull
2
Q
newton
A
measure forces using this unit
3
Q
velocity
A
is a speed of an object in a particular direction
4
Q
acceleration
A
the rate at whcih velcoity changes over time
5
Q
hang time
A
the number of seconds during which a punted ball is in the air.
6
Q
launch angle
A
degrees relative to the groundline of the surface from which it was struck.
7
Q
gravity
A
is a force which tries to pull two objects toward each other.
8
Q
vector
A
quantity with both a magnitude and a direction
9
Q
velocity
A
is a physical vector quantity; both magnitude and direction are needed to define it.
10
Q
trajectory
A
Physics The line or curve described by an object moving through space
