Pendulum Mechanics and Energy Concepts

This tutorial demonstrates the use of the Pendulum Lab Phet simulation, covering simple harmonic motion, energy conservation, and factors affecting pendulum oscillations. It provides step-by-step instructions on using the simulation tools, measuring oscillations, and calculating time periods. The tutorial also explores advanced features like velocity and acceleration vectors, and offers assignments for further exploration.

Which operating system and browser version is used in the Pendulum Lab simulation tutorial?

• MacOS Catalina and Safari 13

• Ubuntu Linux 16.0 and Firefox 62.0.32

• Ubuntu Linux 18.0 and Firefox 70

• Windows 10 and Chrome 80

What is the relationship between force and displacement in simple harmonic motion?

• Force is inversely proportional to displacement

• Force is directly proportional to displacement

• Force is directly proportional to the negative of displacement

• Force is independent of displacement

What happens to the oscillation speed of a pendulum when its length is decreased?

• The oscillation speed remains the same

• The oscillation speed increases

• The oscillation speed decreases

• The pendulum stops oscillating

How does changing the mass of the pendulum affect its oscillations?

• It increases the oscillation speed

• It decreases the oscillation speed

• It has no effect on the oscillations

• It stops the oscillations

What is observed when the friction slider is increased in the pendulum simulation?

• The pendulum oscillates at the same speed

• The pendulum oscillates slower and eventually stops

• The pendulum oscillates faster

• The pendulum's oscillations become erratic

In the energy screen, what is the relationship between potential and kinetic energy at the pendulum's extreme positions?

• Both potential and kinetic energy are zero

• Potential energy is zero, kinetic energy is maximum

• Potential energy is maximum, kinetic energy is zero

• Both potential and kinetic energy are maximum

What is the effect of friction on the total mechanical energy of the pendulum?

• It increases the total mechanical energy

• It has no effect on the total mechanical energy

• It decreases the total mechanical energy

• It converts mechanical energy to thermal energy

How is the time period of a pendulum calculated using its length and gravity?

• T = 2πg/L

• T = 2πL/g

• T = 2π√(L/g)

• T = 2π√(g/L)

What is the acceleration due to gravity on Earth used in the simulation?

• 9.5 m/s²

• 8.9 m/s²

• 10.0 m/s²

• 9.81 m/s²

How does the acceleration due to gravity on Jupiter compare to that on Earth?

• It is negligible

• It is more than on Earth

• It is the same as on Earth

• It is less than on Earth