GA. S8P2a: Energy Relationships in Motion

Maya is riding her bicycle at a constant speed. If the mass of her bicycle is doubled while her speed remains constant, how does the kinetic energy of the bicycle change?

• It remains the same

• It doubles

• It triples

• It quadruples

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

• 3 J

• 6 J

• 9 J

• 18 J

Tags

NGSS.MS-PS3-1

Kai is holding a book at a certain height. Describe the effect on the book's potential energy when Kai raises the book to double its original height, assuming the book's mass remains constant.

• It remains the same

• It is halved

• It is doubled

• It is quadrupled

Tags

NGSS.MS-PS3-2

Mickey is holding a toy at a certain height. Which of the following factors does not affect the potential energy of the toy?

• Mass

• Height

• Speed

• Gravitational acceleration

Tags

NGSS.MS-PS3-2

Which of the following statements is true about the relationship between mass and kinetic energy?

• Kinetic energy is independent of mass

• Kinetic energy is directly proportional to mass

• Kinetic energy is inversely proportional to mass

• Kinetic energy is proportional to the square of mass

Tags

NGSS.MS-PS3-1

Elijah is climbing a hill. Which of the following best describes the relationship between his potential energy and his height above the ground?

• Potential energy is independent of height

• Potential energy is directly proportional to height

• Potential energy is inversely proportional to height

• Potential energy is proportional to the square of height

Select the bowling ball that has LESS kinetic energy.

(Hint: The faster the object is, the more kinetic energy it has)

Tags

NGSS.MS-PS3-1

Which point has greatest kinetic energy?

• A
• B
• C
• none

Tags

NGSS.MS-PS3-1

Which variables affect gravitational potential energy?

• Mass and speed

• Mass and height

• Speed and height

• Mass and acceleration

Tags

NGSS.MS-PS3-2

What happens to the kinetic energy of an object as its speed increases?

• It decreases

• It stays the same

• It increases

• It converts to mass

Tags

NGSS.MS-PS3-1