Do Now Quiz 8 (lessons 4-5)

In this image, the finger on the right is pushing on the finger on the left. Which fingertip deformed?

• the one pushing

• the one being pushed

• they both deformed

Tags

NGSS.MS-PS2-1

What can we say about the direction of the forces on each finger?

• they are in the same direction

• they are in opposite directions

Tags

NGSS.MS-PS2-1

In this picture, one spring scale is pushing into the other. Are those forces the same strength or different?

• the forces are the same on each object

• the one pushing into the other is applying more force

• the one being pushed is applying more force

Tags

NGSS.MS-PS2-1

If a brown and a green spring scale (two different "strength" spring scales) were used to push against each other, which one would apply more force?

• the spring scale with less "springyness" (green or the one that only goes to 5 N) will apply MORE force

• the spring scale with less "springyness" (green or the one that only goes to 5 N) will apply LESS force

• both will apply EQUAL forces

Tags

NGSS.MS-PS2-1

Are the forces of the two different spring scales that are pushing or pulling, in the same direction or opposite directions?

• the forces are in opposite directions

• the forces are in the same direction

Tags

NGSS.MS-PS2-1

If spring scale A pulls on B with 3 Newtons, what would the scale say on B?

• 0 N

• 3 N

• 6 N

Tags

NGSS.MS-PS2-1

Imagine a snowball fight with fake snowballs. You feel one hit the back of your head. What parts of your nervous system alerted you to that?

• heat and cold sensors

• touch and pressure sensors

Tags

NGSS.MS-LS1-8

Force is needed

• to cause a change in motion

• for a moving object to keep moving

• for a motionless object to remain still

Tags

NGSS.MS-PS2-2

Which force will resist motion?

• gravity

• friction

• magnetic

Which is the more accurate statement?

• Force causes motion.

• Force causes change in motion.

Tags

NGSS.MS-PS2-2