Exploring Gravitational and Kinetic Energy Concepts

What is the weight of the object used in the pendulum experiment?

• 15 kg

• 10 kg

• 20 kg

• 25 kg

Tags

NGSS.MS-PS2-2

How much potential energy is gained by lifting the object 1 meter?

• 250 joules

• 200 joules

• 100 joules

• 150 joules

Tags

NGSS.MS-PS3-2

What real-world device is compared to the pendulum in its function?

• Hammer

• Bulldozer

• Crane

• Wrecking ball

What type of energy conversion occurs when a wrecking ball is used?

• Chemical to electrical

• Electrical to mechanical

• Kinetic to thermal

• Potential to kinetic

Tags

NGSS.MS-PS3-2

What principle does the teacher strongly believe in?

• Conservation of mechanical energy

• Conservation of momentum

• Conservation of mass

• Conservation of charge

Tags

NGSS.MS-PS1-5

What is the teacher demonstrating with the pendulum?

• Elastic collision

• Inelastic collision

• Acceleration due to gravity

• Conservation of energy

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What will happen if the pendulum is released with zero initial speed?

• It will exceed the initial height

• It will reverse direction immediately

• It will reach exactly the initial height

• It will stop before reaching the initial height

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

What is the potential risk if the pendulum is not released properly?

• It will fall to the ground

• It may cause injury

• It will not move

• It will break

Why must the audience be quiet during the demonstration?

• To record the experiment

• To prevent distraction

• To hear the pendulum swing

• To follow safety protocols

What proves that physics works as expected in the demonstration?

• The pendulum stops at the right point

• The teacher remains unharmed

• The pendulum swings continuously

• The audience applauds

Tags

NGSS.MS-PS2-4