Physics 2 reteach and retest

What is the speed of the graphed object?

• 0.5 meters / minute
• 2 meters / minute
• 25 meters / minute
• 50 meters / minute

What is the speed of the object during the time interval from 4 seconds to 10 seconds?

• 2 m/s
• 3 m/s
• 8 m/s
• 16 m/s

Tags

NGSS.MS-PS3-1

The cart will move as if it were acted on by a single force with a magnitude of...

• 50 N
• 150 N
• 200 N
• 350 N

An unbalanced force will cause a change in 

• position
• direction
• speed
• all of the above

Which has more Inertia? (so need more force to move) 

• Truck
• Ant
• A cat
• A skateboard

when did the object stayed still?

• first 10 seconds
• first 20 seconds
• 20th ~30th seconds
• 30th~40th seconds

when happened during the last second?

• slowing down
• moving backward and slowing down
• moving backward at a constant speed
• none of these

Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?

• 55km
• 32km
• 43km
• 32miles

If you exert a net force of 8 N on a 2-kg object, what will its acceleration be?

• 2 m/s²
• 4 m/s²
• 16 m/s²
• 10 m/s²

Tags

NGSS.MS-PS2-2

Calculate the net force.

• 5 N
• 10 N
• 45 N
• 500 N