Motion and Stability

How long does it take the pendulum to complete one entire swing, from Point A to C and then back to A?

• 2 seconds

• 4 seconds

• 6 seconds

• 8 seconds

Tags

NGSS.MS-PS3-1

Which statement below is true about the forces acting on the skateboard?

• The forces are balanced, so gravity will pull the skateboard down.

• The forces are balanced, so the skateboard will remain in motion at a constant speed.

• The forces are unbalanced, and the skateboard will move to the right with the force of 2 N.

• The forces are unbalanced, and the skateboard will move to the ight with the force of 32 N.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Predict the missing time pattern for 8 meters:

• 6 seconds

• 7 seconds

• 8 seconds

• 9 seconds

Force that is created when two surfaces try to or move across each other is.....

• Push

• Pull

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Forces affect motion.....You use your brakes to

• change shape

• start moving

• speed up

• slow down

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

a change in position is...

• gravity

• motion

• speed

• pulling

a measurement of how fast an object moves to certain point

• speed

• force

• force

• friction

Tags

NGSS.MS-PS3-1

What does this picture show you?

• punching

• speed

• pushing

• pulling

the force air pushes against a moving object