Physics - Free Fall

In Newtonian physics, ________________ is any motion of a body where gravity is the only force acting upon it.

• kinematics

• free fall

• mechanics

• velocity

If an object is in free fall for three seconds, how fast will it be falling?

• 9.8 m/s

• 19.6 m/s

• 29.4 m/s

• 39.2 m/s

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

What happens to the velocity of a ball as it is dropped off a cliff? 

• It decreases at a uniform rate 
• It increases at a uniform rate 
• It is constant 
• It increases at a non-uniform rate

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A textbook is dropped from a second floor window and falls to the ground. What happens to the velocity as the book falls to the ground

• the velocity increases

• the velocity decreases

• the velocity remain constant

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A textbook is dropped from a second floor window and falls to the ground. What happens to the acceleration as the book falls to the ground

• the acceleration increases

• the acceleration decreases

• the acceleration remains constant

Tags

NGSS.MS-PS2-2

A baseball is thrown up into the air. What happens to the velocity as the ball rises in the air?

• the velocity increases

• the velocity decreases

• the velocity remains constant

Tags

NGSS.MS-PS2-2

A baseball is thrown up into the air. What happens to the acceleration as the ball rises in the air?

• the acceleration increases

• the acceleration decreases

• the acceleration remains constant

Tags

NGSS.MS-PS2-2

A baseball is thrown up into the air. What direction is the velocity of the ball?

• upward

• downward

Tags

NGSS.MS-PS2-4

A baseball is thrown up into the air. What direction is the acceleration of the ball?

• upward

• downward

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A textbook is dropped from a second floor window and falls to the ground. What direction is the velocity?

• upward

• downward

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4