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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 work?
💡 Hint: Think about how force and direction interact.
Question 2
Easy
Define power in simple terms.
💡 Hint: How quickly work is done is related to power.
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 formula to calculate kinetic energy?
- KE = mv
- KE = ½ mv²
- KE = mgh
💡 Hint: Remember to consider both speed and mass.
Question 2
Is power defined as energy per unit of time?
- True
- False
💡 Hint: Focus on the time aspect of energy transfer.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a 2 kg ball is thrown with a velocity of 10 m/s, what is its kinetic energy? How much work would be required to stop it?
💡 Hint: Use the kinetic energy formula to find the energy first.
Question 2
A roller coaster climbs to a height of 50 meters. If the mass of the coaster is 500 kg, calculate the gravitational potential energy. How much work is done to lift it?
💡 Hint: Use GPE formula, remember mass and height in meters.
Challenge and get performance evaluation