Aristotle vs Galileo

Inertia is....

• for every action, there is an equal and opposite reaction
• larger objects take more force to move 
• an object in motion tends to stay in motion unless acted on by an opposite force
• a push that acts in the opposite direction and it slows down.

Tags

NGSS.MS-PS2-1

This form of motion can only occur in outer space or in a vacuum. It is solely dependent on the force of gravity.

• Free Fall Motion

• Centripetal Motion

• Projectile Motion

• None of the Above

Which form of motion always follows a curved path and requires an initial launch force that is greater than the force of gravity?

• Centripetal Motion

• Projectile Motion

• Free Fall Motion

• None of the Above

A leaping frog is an example of which type of motion.

• Projectile Motion

• Free Fall Motion

• Centripetal Motion

• None of the Above

Acceleration: is the rate of change in ___________.

• speed
• distance
• velocity 
• displacement 

Tags

NGSS.HS-PS2-1

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.HS-PS2-1

NGSS.HS-PS2-4

If you are Galileo answer the ff question:

"Why does a bowling ball and feather hit the ground at different times when dropped from the same height?"

• They don't; they hit the ground at the same time.

• One is more dense than the other.

• One is heavier than the other.

• Air resistance

The more mass an object has, the faster it will fall.

• True

• False

• Aristotle - TRUE; Galileo - FALSE

• Aristotle - FALSE; Galileo - TRUE

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is the horizontal acceleration of a projectile?

• 0 m/s²
• -9.8 m/s²

Tags

NGSS.HS-PS2-1

At the instant a ball is thrown horizontally with a large force, an identical ball is dropped from the same height. Which ball hits the ground first? 

• Neither- they hit at the same time
• the horizontally thrown ball
• the dropped ball
• None of these