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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define work in a physics context.
π‘ Hint: Think about what happens when a force moves an object.
Question 2
Easy
What is the formula for kinetic energy?
π‘ Hint: Remember what 'm' and 'v' represent.
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 for work?
- W = FΒ·s cos ΞΈ
- W = F + s
- W = 1/2 mv^2
π‘ Hint: Work involves force and displacement.
Question 2
Is gravitational potential energy dependent on height?
- True
- False
π‘ Hint: Think of energy related to vertical position.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 5 kg object is lifted 2 meters high. Calculate its gravitational potential energy.
π‘ Hint: Think about height and mass.
Question 2
A car with a mass of 1000 kg accelerates from 0 to 20 m/s. Calculate the change in kinetic energy.
π‘ Hint: Use the kinetic energy formula before and after acceleration.
Challenge and get performance evaluation