Energy Forms and Transformations Quiz

What is the primary purpose of using energy pie charts?

• To determine the temperature of a system

• To measure the speed of an object

• To calculate the exact amount of energy in a system

• To visually represent the forms and transformations of energy

Which shorthand notation represents gravitational potential energy?

• E_sub_k

• E_sub_g

• E_sub_n

• E_sub_CH

According to the law of conservation of energy, what happens to energy in a closed system?

• It is destroyed

• It remains constant but changes forms

• It increases over time

• It decreases over time

In the basketball example, what type of energy is primarily responsible for the ball not bouncing as high each time?

• Elastic energy

• Dissipated energy

• Gravitational energy

• Kinetic energy

What is the first step in creating an energy pie chart?

• Measure the speed of the object

• Calculate the total energy

• Determine the proportions of each energy form

• Identify the forms of energy present

When a ball is at its highest point, what is true about its kinetic energy?

• It is equal to its elastic energy

• It is equal to its gravitational energy

• It is zero

• It is at its maximum

In the cart example, what type of energy is initially 100% of the pie chart?

• Elastic energy

• Thermal energy

• Gravitational energy

• Kinetic energy

What happens to the energy proportions when a cart moves faster halfway up a loop compared to the top of the loop?

• Kinetic energy decreases

• Dissipated energy decreases

• Gravitational energy increases

• Kinetic energy increases

In the bricks example, what type of energy is mostly transformed into gravitational potential energy?

• Thermal energy

• Electrical energy

• Elastic energy

• Sound energy

What is a common starting point for many energy transformation problems?

• No energy present

• One potential stored form of energy

• Multiple forms of energy

• Equal distribution of all energy forms