Unit 3: Forces and Motion Collection

Tom ran from his home to the bus stop and waited. He realized that he had missed the bus so he walked home. Choose the graph that best represents his movements.

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Segment O-A: The bus is _________________. It's speed changes from 0m/s to 10 m/s in 5 seconds.

• accelerating

• decelerating

• constant speed

• at rest

Tags

NGSS.MS-PS2-2

Segment A-B: The bus is moving at a _________________ of 10 m/s for 5 seconds.

• accelerating

• decelerating

• constant speed

• at rest

Tags

NGSS.MS-PS3-1

An astronaut kicks a soccer ball in outer space at a location far from significant influences of gravity and air resistance. The soccer ball will _________.

• continue in motion with the same speed and direction

• eventually stop as its inertia slowly becomes used up

• eventually stop since all objects ultimately "lose their steam"

• either a, b, or c -- depending on whether the astronaut continues to kick it

Tags

NGSS.MS-PS2-2

An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by a(n) ____________________.

• unbalanced force

• inertia

• mass

• balanced force

Tags

NGSS.MS-PS2-2

What does this graph represent?

• Constant Speed
• Acceleration
• Not moving

Tags

CCSS.8.EE.B.5

What does this graph represent?

• Constant speed
• Acceleration
• Not moving

Tags

CCSS.8.EE.B.5

Match the description to the graph:

"The speed of the car moves fast and then decreases to a stop."

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Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Segment B-C The bus is _________________.

• at rest

• returning (to original position)

• moving forward

What is the speed of an object that travels 60 meters in 4 seconds?

• 240 m/s

• 15 m/s

• 0.067 m/s

• 15 mph