Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
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.
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 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.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation