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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for average velocity?
💡 Hint: Remember, it's displacement over time.
Question 2
Easy
What does a displacement of zero indicate?
💡 Hint: Think about a round trip!
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 calculating work done?
- W = FΔr
- W = F * d * sin(θ)
- W = F * d * cos(θ)
💡 Hint: Consider the angle between the force and the direction of movement.
Question 2
True or False: The kinetic energy of an object increases when work is done on it.
- True
- False
💡 Hint: Think about how forces change the motion of objects.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An object with a mass of 3 kg is lifted to a height of 4 m. How much work is done against gravity?
💡 Hint: Use the work formula and remember that mgh represents gravitational potential energy.
Question 2
A car accelerates from 20 m/s to 50 m/s over a time frame of 5 seconds. Calculate the average acceleration.
💡 Hint: Determine the change in velocity and divide by time.
Challenge and get performance evaluation