Yr 11 - Work and Energy

At which point in a pendulum's swing is the kinetic energy at its maximum?

• At the highest point of the swing

• At the lowest point of the swing

• At the midpoint of the swing

• At the point where the pendulum stops

Which of the following is NOT a car safety feature?

• Airbags

• Rear crumple zone

• Collapsible steering wheel

• Sunroof

In the context of a roller coaster, when is the potential energy at its maximum?

• At the highest point of the track

• At the lowest point of the track

• At the midpoint of the track

• When the roller coaster is moving the fastest

What does the area under the graph in a load-extension graph represent?

• The elastic limit

• The energy stored in the spring

• The maximum load

• The extension limit

When a force acts on a moving body, what happens to the energy?

• It is destroyed.

• It is transferred.

• It remains constant.

• It increases.

What is the equation for work done?

• Work = force x distance moved in the direction of the force

• Work = mass x velocity

• Work = force x acceleration

• Work = mass x height

Which of the following is a measure of energy transfer?

• Power

• Work

• Force

• Velocity

What type of energy does an object possess due to its motion?

• Gravitational potential energy

• Elastic energy

• Kinetic energy

• Thermal energy

What is the equation for kinetic energy?

• KE = mv^2

• KE = 1/2 mv^2

• KE = mgh

• KE = 1/2 kx^2

What is the equation for change in gravitational potential energy?

• PE = 1/2 mv^2

• PE = mgh

• PE = kx

• PE = Fd