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What is weight?
The force acting on an object due to gravity.
What equation links weight, mass and gravitational field strength?
Weight = mass × gravitational field strength
What does gravitational field strength represent?
The force per unit mass acting on an object.
What is the value of gravitational field strength on Earth?
Approximately 9.8 N/kg.
What is gravitational potential energy?
The energy stored by an object due to its position in a gravitational field.
What equation is used to calculate gravitational potential energy?
Gravitational potential energy = mass × gravitational field strength × height