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Energy Transformations in Mechanical Systems

Energy Transformations in Mechanical Systems

Assessment

Interactive Video

Physics, Chemistry, Science

6th - 10th Grade

Practice Problem

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial explains the conversion of different types of energy. It starts with chemical potential energy being converted into mechanical energy in a bike wheel. As the bike moves, some energy is lost as thermal energy due to friction. The tutorial then demonstrates how mechanical energy is converted into electrical energy, emphasizing the need for energy input to maintain motion. Finally, it discusses the release of thermal energy and the transformation of electrical energy into heat.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of energy is initially added to the person?

Thermal energy

Chemical potential energy

Mechanical energy

Electrical energy

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to some of the mechanical energy of the bike wheel?

It remains as mechanical energy

It is stored as chemical energy

It is lost as thermal energy due to friction

It is converted directly to electrical energy

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is mechanical energy converted in the second section?

Into potential energy

Into chemical energy

Into thermal energy

Into electrical energy

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What effect does increasing the speed have on the person?

It makes the person tired

It makes the person less hungry

It has no effect on the person

It makes the person more hungry

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What transformation occurs when boiling temperatures are reached?

Chemical energy to mechanical energy

Thermal energy to electrical energy

Electrical energy to thermal energy

Mechanical energy to chemical energy

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