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 work?
💡 Hint: Think about the forces acting on an object and the distance moved.
Question 2
Easy
Define kinetic energy.
💡 Hint: Consider a moving car.
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
Which of the following describes work?
- Force applied with no displacement
- Force and displacement in the same direction
- Force applied but no direction
💡 Hint: Think about what happens during lifting something.
Question 2
True or False: Power is the total work done over all time.
- True
- False
💡 Hint: Remember the distinction between power and work.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A car accelerates from rest to a speed of 20 m/s in 10 seconds. If its mass is 800 kg, calculate the work done on the car and the power output during this time.
💡 Hint: Use the kinetic energy formula to find work, and divide by time for power.
Question 2
If a lift raises a 500 kg load 10 meters, calculate how much work is done and how much potential energy is gained.
💡 Hint: Work done against gravity is equal to the potential energy gained.
Challenge and get performance evaluation