Free Fall Vocab & Concepts

Describes how fast an object is moving?

• distance / displacement

• speed / velocity

• acceleration

Tags

NGSS.MS-PS3-1

Describes how far an object moved.

• distance / displacement

• speed / velocity

• acceleration

Describes an object's change in velocity each second.

• distance / displacement

• speed / velocity

• acceleration

Two students simultaneously drop a hammer, feather and golf ball from the same height on earth. Which object hits the ground first?

• hammer

• feather

• golf ball

• hammer and feather

• hammer and golf ball

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Two students simultaneously drop a hammer, feather and golf ball from the same height on the moon (no air). Which object hits the ground first?

• hammer

• feather

• golf ball

• hammer and feather

• all objects hit at the same time

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

If a hammer is dropped from the top of a building, how fast is is moving after 3 seconds?

• 10 m/s

• 20 m/s

• 30 m/s

• 40 m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4