forces and motion Flashcards
1
Q
force
A
a push or a pull exerted on an object
2
Q
newton
A
unit used to measure force
3
Q
velocity
A
the speed of an object in a particular direction
4
Q
acceleration
A
the rate at which velocity changes over time
5
Q
air resistance
A
type of friction or fluid resistance
6
Q
gravity
A
the force of attraction by which terrestrial bodies tend to fall toward the center of the earth.
7
Q
projectile motion
A
the movement of objects such as a ball through space
8
Q
launch angle
A
the initial elevation angle of a ball immediately after contact with the club head
9
Q
vector
A
describes the speed and direction of an object
10
Q
trajectory
A
the curve described by a projectile, rocket, or the like in its flight.