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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the acronym SI stand for?
💡 Hint: Think about the units used in science.
Question 2
Easy
What is the formula to calculate density?
💡 Hint: Consider how mass relates to volume.
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 the SI unit for force?
- Newton
- Pound
- Joule
💡 Hint: Think about the units associated with motion.
Question 2
True or False: Energy can be created and destroyed.
- True
- False
💡 Hint: Consider the law of conservation of energy.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 50 kg cart is pulled up a hill at a 30-degree incline. Calculate the force required to pull it up the hill if friction is negligible.
💡 Hint: Consider calculating the component of gravitational force along the incline.
Question 2
A sound wave is produced with a frequency of 1000 Hz. What is the wavelength if the speed of sound is 340 m/s?
💡 Hint: Use the formula: speed = frequency × wavelength.
Challenge and get performance evaluation