Conceptual Physics 3 - Motion in 2 dimensions

You and your friend are both standing on a building while both holding a ball. Your friend drops the ball and you throw the ball horizontally (straight line, no angle). Which ball hits the ground first?

• The dropped ball

• Both land at the same time

• The thrown ball

• trick question. Neither ball landed because it was a dream!

Which represents the acceleration of the ball?

• A
• B
• C
• D

Tags

NGSS.HS-PS2-1

Which of the following depict the speed of the blowing ball?

• A
• B
• C
• D

Tags

NGSS.MS-PS3-1

You swing a bucket of water attached to a string in a circle above your head. What keeps the water in the bucket?

• Friction
• Centripetal Force
• Gravity
• Inertia

Tags

NGSS.HS-PS2-1

Which direction would the pink object go if the disc suddenly stopped turning?

• vector D

• vector C

• vector B

• vector A

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

If I double the distance between two objects, what happens to their gravitational Force?

• 4x bigger
• 4x smaller
• 2x bigger
• 2x smaller

Tags

NGSS.HS-PS2-4

What happens to Gravitational force if I double both of the masses but don't change their distance?

• doubles
• half as big
• 4x bigger
• 4x smaller

Tags

NGSS.HS-PS2-4

Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance? 

• F/3
• F/2
• F/6
• F/9

Tags

NGSS.HS-PS2-4

Complete the following statement: The farther away two planets are the _______ the gravitational force between them.

• more
• same
• dosen't matter
• less

Tags

NGSS.HS-PS2-4

If the distance between 2 masses is increased then the force of gravitation between them will...

• increase

• decrease

• stay the same

Tags

NGSS.HS-PS2-4