158 prompts matching "Newton's law of universal gravitation"
Quiz: Finding speed from the gradient of a distance-time graph
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Worked example: Finding acceleration from the gradient of a velocity-time graph
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Quiz: The types of force — contact forces and field forces
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Worked example: Calculating the resultant of two forces
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Exam prep: The joule, and the units of work and energy
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Worked example: Calculating the power of a machine lifting a load
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Exam prep: Calculating the efficiency of a machine
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Real-life Nigeria: The power ratings of Nigerian household appliances
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Quiz: Calculating the kinetic energy of a moving body
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Worked example: Calculating gravitational potential energy
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Practice set: The conservation of mechanical energy
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Spot my mistake: The errors most often made in first-term SS1 Physics
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Practice set: Latent heat of fusion and latent heat of vaporisation
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Exam prep: Calculating the heat absorbed during a change of state
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Worked example: Calculating the expansion of a metal rod
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Practice set: The anomalous expansion of water
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Quiz: Good and bad conductors of heat
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Worked example: Calculating the period of a simple pendulum
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Exam prep: The horizontal and vertical components of a projectile's motion
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Spot my mistake: Assuming the horizontal velocity of a projectile changes
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