5 - WORK, ENERGY AND POWER
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Practice Questions
Test your understanding with targeted questions
Define work in the context of physics.
💡 Hint: Consider the formula involving force and distance.
What is the unit of energy?
💡 Hint: Think of the energy involved in lifting a weight.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for work done?
💡 Hint: Consider the trigonometric implications.
True or False: Power is defined as the rate of work done.
💡 Hint: Think about how fast energy is transferred.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A block of mass 3 kg slides down a frictionless incline of height 5 m. Calculate its speed at the bottom of the ramp.
💡 Hint: Set potential energy equal to kinetic energy and isolate the velocity.
A car does 2000 J of work in accelerating from 0 to 25 m/s. What is its mass?
💡 Hint: Rearranging the kinetic energy formula will give you mass.
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