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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the scientific definition of work?
💡 Hint: Think about the two conditions that must be met.
Question 2
Easy
If I push a stationary wall, am I doing work?
💡 Hint: Consider if the wall moves at all.
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 must occur for work to be done in science?
- A force is applied
- There is displacement
- Both A and B
💡 Hint: Recall the definition of work.
Question 2
If an object moves downward under gravity without any opposing force acting, what type of work is done?
- True
- False
💡 Hint: Think about the direction of the gravitational force.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An athlete carries a 15 kg backpack while running 30 m at a height of 1.5 m. Calculate the total work done against gravity and during displacement.
💡 Hint: Break it down into two parts: work against gravity and work during movement.
Question 2
A cyclist exerts a force of 50 N to pedal 200 m uphill against gravity. Calculate the work done.
💡 Hint: Ensure to consider only the force in the direction of movement.
Challenge and get performance evaluation