Practice - Worked Examples
Practice Questions
Test your understanding with targeted questions
What is the formula to calculate the gravitational force between two masses?
💡 Hint: Consider Newton's law of gravitation.
Define electric field strength.
💡 Hint: Think about forces and charges.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for gravitational field strength?
💡 Hint: Think about how gravity affects mass.
Is the magnetic field produced by a current-carrying wire always directed outward?
💡 Hint: Consider the direction of the wire and current.
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Challenge Problems
Push your limits with advanced challenges
Calculate the gravitational force between two satellites of 1000 kg at a distance of 1000 km between them.
💡 Hint: Remember to convert all measurements to meters.
A particle with a charge of +1.6 x 10^-19 C moves in a magnetic field of 0.2 T at a velocity of 10^6 m/s. Calculate the force acting on it.
💡 Hint: Remember that the angle between velocity and magnetic field affects the force.
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Reference links
Supplementary resources to enhance your learning experience.