Energy Concepts in Physics

Energy Concepts in Physics

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial covers the concepts of gravitational potential energy and kinetic energy. It explains the units used in energy calculations, such as joules and newtons, and how to convert between different energy units like kilojoules and calories. The tutorial provides formulas for calculating gravitational and kinetic energy, with practical examples to illustrate these calculations. It also discusses the energy transformations in a roller coaster and the importance of understanding serving sizes and energy density in food packaging.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of energy used in gravitational potential energy calculations?

Newton

Joule

Watt

Calorie

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many joules are in one kilojoule?

10,000

100

1,000

100,000

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which unit is commonly used on Australian food packaging to indicate energy content?

Calories

Kilojoules

Watts

Newtons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating gravitational potential energy?

Mass x Speed x Height

Mass x Gravity x Height

Mass x Velocity x Height

Mass x Acceleration x Height

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of a roller coaster, what happens to gravitational potential energy as it descends?

It disappears completely

It transforms into kinetic energy

It remains constant

It increases

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If Sarah climbs a ladder to a height of 2 meters, what is her gravitational potential energy if her mass is 30 kg?

0 Joules

60 Joules

300 Joules

588 Joules

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the gravitational potential energy of an object at ground level?

Infinite

Depends on velocity

Depends on mass

Zero

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?