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 skillsβperfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
Youβve 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?
π‘ Hint: Remember the variables involved and the role of angle.
Question 2
Easy
What does kinetic energy depend on?
π‘ Hint: Consider the factors as described in the formula.
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
The formula for work is W = F Γ s Γ cos ΞΈ. What does 'ΞΈ' represent?
- Angle between displacement and force
- Velocity of the object
- Mass of the object
π‘ Hint: Think about how the angle affects the work done.
Question 2
True or false: Energy can be created or destroyed.
- True
- False
π‘ Hint: Consider the principle of energy conversion.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An elevator lifts a 600 kg load to a height of 10 m. Calculate the work done by the elevator. (Hint: Use W = mgh. Consider g = 9.81 m/sΒ².)
π‘ Hint: Remember to multiply mass, gravity, and height.
Question 2
A car accelerates from rest to 20 m/s. If the car has a mass of 1000 kg, find the work done on the car. (Hint: Use the work-energy theorem.)
π‘ Hint: Calculate the first half of the kinetic energy formula.
Challenge and get performance evaluation