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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for work done?
💡 Hint: Think about the force and displacement directions.
Question 2
Easy
Calculate the work done if a force of 10 N moves an object 5 m in the direction of the force.
💡 Hint: Multiply force by distance.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the relationship between work and energy?
- Energy is independent of work
- Work done leads to a change in energy
- Work and energy are the same
💡 Hint: Think of how work affects energy in physics.
Question 2
True or False: Kinetic energy can be negative.
- True
- False
💡 Hint: Consider the formula for kinetic energy.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 5 kg block slides down a frictionless incline of height 10 m. Calculate its speed at the bottom of the incline.
💡 Hint: Think about energy conversion principles.
Question 2
An elevator transports a 1200 kg load to a height of 30 m. If the elevator's efficiency is 80%, calculate the energy consumed.
💡 Hint: Break down energy calculations into potential energy.
Challenge and get performance evaluation