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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for calculating density?
💡 Hint: Remember, density involves mass and how much space it occupies.
Question 2
Easy
Convert 1 m³ of water into kilograms.
💡 Hint: Recall: The density of water is 1000 kg/m³.
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 density defined as?
- Mass per unit time
- Mass per unit volume
- Volume per unit mass
💡 Hint: Think about how much mass is packed in a given volume.
Question 2
True or False: Specific weight is the weight per unit mass.
- True
- False
💡 Hint: Consider how weight is related to volume, not directly to mass.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A tank holds 500 liters of oil with a density of 850 kg/m³. Calculate the specific weight of the oil.
💡 Hint: Use the specific weight formula with gravitational acceleration.
Question 2
Compare the densities of fresh and seawater. If fresh water is 1000 kg/m³ and seawater is 1025 kg/m³, explain why objects float differently in them.
💡 Hint: Recall how density affects buoyancy and floating.
Challenge and get performance evaluation