PU5.1 Open Note Quiz

In which position does the skater have the most potential energy?

• Position A
• Position B
• Position C
• Position D

In which position does the skater have the most kinetic energy?

• Position A
• Position B
• Position C
• Position D

In which position does the skater move the fastest?

• Position A
• Position B
• Position C
• Position D

In which position does the skater momentarily have a speed of 0 m/s?

• Position A
• Position B
• Position C
• Position D

Select the 2 variables that affect the skater's potential energy.

• The skaters height above the ground
• The skater's speed
• The skater's mass
• The skater's name

Select the 2 variables that affect the skater's kinetic energy.

• The skaters height above the ground
• The skater's speed
• The skater's mass
• The skater's favorite ice cream flavor

Which form of energy increases at a faster rate when the friction between the skateboard and ramp is increased?

• Kinetic Energy
• Thermal Energy
• Potential Energy
• Total Energy

What happens to the TOTAL energy from start to finish as the skater skates on the ramp?

• The total energy increases.
• The total energy decreases.
• The total energy stays the same.

The units of Energy are

• Joules

• m/s

• m/s/s down

• Newtons

How much kinetic energy does a moving 6 kg object have if it moves with a velocity of 3 m/s?

• 27 J
• 18 J
• 9 J
• 2 J