Practice Conservation Of Mechanical Energy (3.4) - Theme A: Space, Time and Motion
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Conservation of Mechanical Energy

Practice - Conservation of Mechanical Energy

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define mechanical energy.

💡 Hint: What do we mean when we talk about energy that is 'in motion' or 'stored'?

Question 2 Easy

What is kinetic energy expressed in formula?

💡 Hint: Think about how mass and speed factor into this type of energy.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What happens to mechanical energy in a closed system without non-conservative forces?

It increases
It decreases
It remains constant
It dissipates as heat

💡 Hint: Consider the principle of energy conservation.

Question 2

True or False: Non-conservative forces, like friction, help in conserving mechanical energy.

True
False

💡 Hint: What do we mean by energy being lost in a system?

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A child slides down a frictionless slide that is 5 meters high. Calculate the child's speed at the bottom of the slide.

💡 Hint: How does potential energy convert to kinetic energy at the bottom?

Challenge 2 Hard

A spring with a spring constant of 200 N/m is compressed by 0.3 m. What is the potential energy stored in the spring?

💡 Hint: Consider the relation of compression length to potential energy.

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Reference links

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