Horizontal and vertical motion

Gravity affects projectile motion _________.

• diagonally

• free way

• horizontally

• vertically

Projectile Motion is described as…

• an object falling from the sky.

• the moment when two forces are balanced, and the object is still.

• the curved path an object follows as it is thrown or propelled near earth’s surface.

• the amount of time an object takes to reach the earth’s surface after falling from a certain height.

On a merry-go-round, which horse moves faster: the one on the inside or the other on the outside near the outer rail?

• inside horse

• outside horse

• both horses

• cannot be determined

Suppose a ping pong ball is tossed. When the ball reaches the highest point, which statement about the ball’s velocity and acceleration is true?

• Both its velocity and its acceleration are zero.

• Its velocity is zero and its acceleration is not zero

• Its velocity is not zero and its acceleration is zero.

• Neither its velocity nor its acceleration is zero.

The motion of an object with constant acceleration is also known as ________.

• constant motion

• motion

• uniform motion

• uniformly accelerated motion