Ice Skating

what is this skate type?

• speed skate

• hockey skate

• figure skate

How does gravity affect ice skating?

• It doesn't

• It prevents them from getting in the air for the amount of time they need

• It creates an unbalanced force

• It stops us

Tags

NGSS.HS-PS2-4

What is happening to the ice skater?

• Decreased Angular velocity, decreased rotational inertia

• Decreased Angular velocity, increased rotational inertia

• Increased Angular velocity, increased rotational inertia

• Increased Angular velocity, decreased rotational inertia

Tags

NGSS.HS-PS2-1

How many radians make up one revolution of 360 degrees?

• π/2

• π

• 2π

• 3π/2

What does Rotational Inertia depend on?

• Mass

• Mass Distribution

• Both Mass and its Distribution

• Neither Mass nor its distribution

Does this woman have a high or low rotational inertia?

• High

• Low

Which of these items is easier to turn?

• Left

• Right

• Both are just as easy to turn

A change in velocity is called

• speed.
• displacement.
• acceleration.
• a vector.

Tags

NGSS.HS-PS2-1

A skater start spinning on the tips of her skates at low angular velocity with arm outstretched.

What would happen when she brings her arms close to her body

• She will spin slower

• She will spin faster

• She will spin at the same velocity

what is this skate type?

• speed skate

• hockey skate

• figure skate