Unit #6 Review- Physics

The airplane is traveling 600mph, northwest.

• Speed

• Velocity

• Acceleration

Tags

NGSS.MS-PS3-1

Are forces balanced or unbalanced when plates at a transform fault move and cause an earthquake?

• Balanced
• Unbalanced

Tags

NGSS.MS-PS2-2

NGSS.MS-ESS3-2

Which of the following objects will experience an unbalanced force?

• A bike rider on a smooth and level road, pedaling at a constant rate.

• A train pulling on another train, each with the same amount of force.

• A chair sitting on the floor with balanced forces acting in opposite directions.

• A ball rolling across the floor with friction acting in the opposite direction.

Tags

NGSS.MS-PS2-2

Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?

• Balanced
• Unbalanced

Tags

NGSS.MS-PS2-2

Acceleration of an object happens when it ________

• slows down
• speeds up
• changes direction
• all of the these

Tags

NGSS.MS-PS2-2

The correct equation to calculate speed is

• distance ÷ time
• time/distance
• distance x time
• distance/time²

What is the speed of a car that travels 400 meters in 20 minutes? (6.8C)

• 20 miles/hr

• 20 m/min

• 800 m/min

• 200 miles/hr

What is this graph showing? (6.8D)

• Constant Speed

• Acceleration (speeding up)

• Deceleration (slowing down)

• No motion

Tags

NGSS.MS-PS3-1

You are pushing your friends on the swing. Which friend will have the greatest change in speed?

• Bert: Mass= 50 kg

• Ernie: Mass= 100 kg

• Kermit: Mass= 150 kg

• Fozzie: Mass= 200 kg

You are canoeing down the river, going 3 m/s. However, the water is flowing against you and the boat at a speed of 1 m/s. What would happen if the water's speed slowed down to .5 m/s?

• The boat would move slower down the river

• The boat would move faster down the river

• The boat would stop

• The boat would change direction