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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define drag in your own words.
💡 Hint: Think about the force acting against a moving object.
Question 2
Easy
What is lift?
💡 Hint: Consider how planes achieve flight.
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 drag?
- A force acting in the direction of motion
- A force opposing the motion
- A type of potential energy
💡 Hint: Think about how water affects a boat moving through it.
Question 2
True or False: Lift is caused by pressure differences on opposite surfaces.
- True
- False
💡 Hint: Consider airplane wings as an example.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An airplane hovering at a steady height experiences a drag force of 100 N and a lift force of 150 N. Discuss how the airplane can achieve stability.
💡 Hint: Consider what happens if lift suddenly decreases.
Question 2
Calculate the terminal velocity for a spherical object with a diameter of 0.1 m, mass of 0.2 kg in water with density 1000 kg/m³.
💡 Hint: Remember that terminal velocity occurs when the net force is zero.
Challenge and get performance evaluation