Mechanical Energy test

gravitational potential energy is defined as

• the energy an object has due to its height above the ground
• the energy an object has due to its motion
• the energy a spring has due to its stretch
• the chemical energy stored in the molecules of atoms

Tags

NGSS.MS-PS3-2

What are the two types of Mechanical Energy? (ME)

• Kinetic and Potential Energy
• Kinetic and Nuclear Energy
• Potential and Chemical Energy
• Thermal and Kinetic Energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

Kinetic Energy is defined as

• Energy stored due to its location
• Energy of motion
• Energy stored in the bonds of molecules
• Heat energy

Tags

NGSS.MS-PS3-1

A 70 kg runner has a velocity of 5 m/s. Her kinetic energy is

• 875 J
• 175 J
• 1750 J
• 350 J

Tags

NGSS.MS-PS3-1

Which of the following objects has the most kinetic energy?

• A 20 kg toddler running at 5 m/s
• A 50 kg toddler running at  30 m/s
• A 90 kg toddler running at 30 m/s
• A 100 kg  toddler running at 2 m/s

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

A 5 kg ball is lifted 12 m above the ground. It's gravitational potential energy is

• 60 J
• 600 J
• 17 J
• 2.4 J

Tags

NGSS.MS-PS2-4

You drop a 5 kg ball from a height of 2 m. Just before it reaches the ground, what type of energy does it have?

• Potential Energy
• Kinetic Energy
• Nuclear Energy
• Chemical Energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

You drop a 5 kg ball from a height of 2 m. Just before it reaches the ground, how much kinetic energy does it have?

• 10 J
• 100 J
• 7 J
• 20 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

You drop a 5 kg ball from a height of 2 m. Just before it reaches the ground, what is the ball's velocity?

• 6.32 m/s
• 40 m/s
• 4.47 m/s
• 100 m/s

Tags

NGSS.MS-PS3-5

NGSS.MS-PS2-4

NGSS.MS-PS2-2

A 2 kg ball has an initial velocity of 6 m/s. How high up the ramp will it go?

• 1.8 m
• 10 m
• 6 m
• 12 m

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5