Unit 3 Vocab

An object that travels through the air and is only affected by gravity and air resistance:

• Centripetal force

• Projectile

• Component

• Free fall

The curved path followed by a projectile:

• Range

• Trajectory

• Acceleration

• Resultant

The horizontal distance a projectile travels:

• Component

• Centripetal

• Range

• Vector

The highest vertical position a projectile reaches:

• Maximum height

• Head

• Tail

• Graphical method

A situation in which gravity is the only force acting on an object:

• Free fall

• Component

• Trajectory

• Centrifugal

A force that pulls an object toward the center of a circular path:

• Vector

• Centrifugal

• Centripetal force

• Range

Acceleration directed toward the center of a circle:

• Displacement

• Maximum height

• Centripetal acceleration

• Velocity

A fictitious force that seems to push an object outward in circular motion:

• Gravity

• Centripetal

• Centrifugal

• Vector addition

A physical quantity that has both magnitude and direction:

• Component

• Resultant

• Head

• Vector

A part of a vector that lies along one axis:

• Component

• Tail

• Head

• Range