CBA #2

An object's gravitational potential energy store can be increased by...

• by lifting the object higher

• increasing the velocity (speed) of the object

• decreasing the size of the object

• decreasing the mass of the object

The formula for calculating the gravitational potential energy in an object is shown above. Which object will have the largest value for its GPE

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gravitational potential energy is effected by _____ ( select 2 answers)

• mass of object

• height of object

• shape of object

• color of object

when object height increases , gravitational potential energy________

• increases

• decreases

• does not change

when object mass decreases, gravitational potential energy________

• increases

• decreases

• does not change

which skater has more gravitational potential energy?

• yellow skater

• blue skater

• both skaters have equal gravitational potential energy

which skater has more gravitational potential energy?

• yellow skater, because of higher height

• green skater, because of more mass

• yellow skater, because of more mass

• green skater, because of height height

When a pendulum swings, at which point is kinetic energy highest?

• 1
• 2
• 3
• 4

Which 2 letters have the most kinetic energy

• W & Y
• X & Z

At which point is kinetic energy greatest?

• W
• X
• Y
• Z