Practice Lesson 2 Kinetic and Potential Energy

Potential energy that depends on the height of an object

• elastic potential energy
• gravitational potential energy
• kinetic energy
• electrical energy

Energy of stretched or compressed objects

• gravitational potential energy
• potential energy
• electrical energy
• elastic potential energy

Kinetic energy is the energy of

• motion
• potential
• gravity
• distance

Potential energy that depends on the height of an object

• elastic potential energy
• gravitational potential energy
• kinetic energy
• electrical energy

As a boulder rolls from the top of a hill to the bottom, how does its potential and kinetic energy change?

• potential and kinetic energy both increase
• potential decreases and kinetic increases
• potential increases and kinetic decreases
• potential and kinetic energy both decrease

Energy of stretched or compressed objects

• gravitational potential energy
• potential energy
• electrical energy
• elastic potential energy

Energy of an object has because of its position that is stored ready to be used

• kinetic energy
• potential energy
• gravitational potential energy
• elastic potential energy

Energy that an object has due to its motion

• potential energy
• kinetic energy
• elastic energy
• thermal energy

The bobsled is an event in the winter Olympics. In this event, each sled and its riders speed down an icy track. Which factor(s) affect how much kinetic energy the sled and its team have when the sled crosses the finish line?

• mass only
• speed and time
• speed and mass
• speed, mass and time

Lance is a 60-kg runner who, on a good day, runs at a speed of 5 m/s. What is his kinetic energy when he runs at this speed?

• 150 J
• 300 J
• 750 J
• 1500 J