What is the basic unit for velocity?

• m/s²
• m
• N
• m/s

Tags

NGSS.HS-PS4-1

Person X moves from A to B in 5 seconds. Person Y does it in 10 seconds. Person Y is moving with twice the speed as person X.

• True
• False

Accelerating objects MUST be changing their speed.

• True
• False

Tags

NGSS.HS-PS2-1

Which of the following does NOT explain acceleration?

• Speeding up
• Changing directions
• Slowing down
• Constant speed

Tags

NGSS.HS-PS2-1

An object which is moving at constant speed in a circle has an acceleration.

• True
• False

Tags

NGSS.HS-PS2-1

An object moving to the right AND speeding up has a rightward acceleration.

• True
• False

Tags

NGSS.HS-PS2-1

Which of the following is NOT a unit for acceleration?

• m/s²
• cm/s²
• km/hr
• km/hr²

What is the basic unit for force?

• m/s²
• m
• N
• m/s

Tags

NGSS.HS-PS2-1

An object moving to the right AND slowing down has a rightward acceleration.

• True - it has rightward acceleration
• False - it has leftward acceleration

Tags

NGSS.HS-PS2-1

A falling skydiver which has reached terminal velocity is considered to be in a state of free fall.

• True
• False

Tags

NGSS.HS-PS2-4