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
Define friction drag.
💡 Hint: Think about what happens at the surface of an object moving through water.
Question 2
Easy
What is the drag coefficient?
💡 Hint: Consider the factors that affect how drag is calculated.
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 causes friction drag?
- Shape of the object
- Viscosity of the fluid
- Speed of the fluid
💡 Hint: Consider what happens at the surface level.
Question 2
True or False: Pressure drag only occurs in turbulent flow.
- True
- False
💡 Hint: Think about the scenarios in which pressure drag can be observed.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A car with a frontal area of 2.4 m² and a drag coefficient of 0.32 moves at 30 m/s. Calculate the drag force it experiences in the air where the density is 1.225 kg/m³.
💡 Hint: Ensure you substitute all values correctly in the drag force equation.
Question 2
A swimmer with a body area of 0.7 m² experiences a drag force of 5 N while moving at 1.5 m/s in water with a density of 998 kg/m³. Find the swimmer's drag coefficient.
💡 Hint: Use the provided values to calculate the drag coefficient.
Challenge and get performance evaluation