Conservation of Energy, Mechanical Energy

An object is speeding up down a hill when: (Choose All That Apply)

• it is gaining kinetic energy.

• it is losing kinetic energy.

• it is gaining gravitational potential energy.

• it is losing gravitational potential energy.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

An object is slowing down up a hill when: (Choose All That Apply)

• it is gaining kinetic energy.

• it is losing kinetic energy.

• it is gaining gravitational potential energy.

• it is losing gravitational potential energy.

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

The sum of the kinetic and potential energy in a system is known as the system's _____________________ energy.

• mechanical

• chemical

• thermal

• combined

Tags

NGSS.MS-PS3-4

If a ball tossed into the air has a maximum gravitational potential energy of 5.75 joules, what is its maximum kinetic energy in the same toss?

• 5.75 joules

• 11.14 joules

• 2.88 joules

• 7.93 joules

Tags

NGSS.MS-PS3-5

What is the MECHANICAL energy of the roller coaster car?

• 100 joules

• 50 joules

• 2500 joules

• 1 joule

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What was the Potential energy of the car at very top of the hill if the car had 0 J of Kinetic energy?

• 100 joules

• 50 joules

• 2500 joules

• 1 joule

Tags

NGSS.MS-PS3-2

What was the Kinetic energy of the car at near the bottom of the hill if the car still had 10 J of Potential energy?

• 10 joules

• 50 joules

• 90 joules

• 500 joule

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

At which point in the picture must the cart have been moving the fastest?

• Point 1

• Point 2

• Point 3

• They would all be the same

Tags

NGSS.MS-PS3-1

At which point in the picture must the cart have the most potential energy?

• Point 1

• Point 2

• Point 3

• They would all be the same

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

At which point in the picture must the cart have the most MECHANICAL energy?

• Point 1

• Point 2

• Point 3

• They would all be the same

Tags

NGSS.MS-PS3-4