Practice Work, Energy, And Power (3) - Theme A: Space, Time and Motion
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Work, Energy, and Power

Practice - Work, Energy, and Power

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the formula for calculating work?

💡 Hint: Think about how force, displacement, and angles relate to work done.

Question 2 Easy

Define kinetic energy.

💡 Hint: Recall the formula for kinetic energy involving mass and velocity.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the formula for work done?

W = F * Δr
W = F * Δr * cos(ϕ)
W = F / Δr

💡 Hint: Consider how angle affects the work done.

Question 2

True or False: Kinetic energy only depends on the mass of the object.

True
False

💡 Hint: Recall the kinetic energy formula.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A 90 kg person climbs a stairway 5 m high. How much work is done against gravity?

💡 Hint: Use the mass, gravity, and height to find work done.

Challenge 2 Hard

A car engine does 2000 J of work to accelerate and reaches a speed of 10 m/s. What is its mass?

💡 Hint: Remember to manipulate the kinetic energy formula.

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Reference links

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