KE and PE - Conservation of Energy

When a ball is at the top of a ramp, it has the most amount of...

• kinetic energy

• gravitational potential energy

• thermal energy

• sound energy

What is happening to a ball's energy as it rolls down a frictionless ramp?

• kinetic energy is transferred to potentially energy

• kinetic energy is transformed into potential energy

• potential energy is transferred to kinetic energy

• potential energy is transformed into kinetic energy

When adding the total amount of a ball's PE and KE at the top of a ramp, and comparing it to the amount at the bottom of a ramp, you'd expect to find...

• The sum of the energy is greater at the top of the ramp.

• The sum of the energy is greater at the bottom of the ramp.

• The sum of the energy will be zero at both the top and bottom.

• The sum of the energy is the same at the top as it is on the bottom.

To determine the amount of Kinetic Energy an object has at a given point in time, you need to know...

• its mass and velocity

• its mass and height

• its velocity and height

• its volume and velocity

To determine the amount of Potential Energy an object has at a given point in time, you need to know...

• its mass and velocity

• its mass and height

• its velocity and height

• its volume and velocity

Which of the following has the greatest impact on an object's Kinetic Energy?

• mass

• volume

• velocity

• height

A brick falling off the side of a building crashes to the sidewalk.
Which of the following energy changes would you expect to observe.

• Kinetic Energy to Elastic Potential Energy

• Kinetic Energy to Gravitational Potential Energy

• Kinetic Energy to Light Energy

• Kinetic Energy to Sound Energy

When a soccer ball is kicked into an air, its potential energy is ____________ when its kinetic energy is greatest.

• greatest

• increasing

• decreasing

• least

Which of the following is used to determine the amount of gravitational potential energy an object has?

• mass, acceleration due to gravity, velocity

• speed, acceleration due to gravity, velocity

• mass, velocity

• mass, acceleration due to gravity, height

As a cart is pushed up a ramp...

• kinetic energy is transformed into potential energy

• potential energy is transformed into kinetic energy

• thermal energy is transformed into kinetic energy

• sound energy is transformed into kinetic energy