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Learn the units that go with various quantities, express units using their abbreviations, and make new units by combining numerical prefixes with units.

General questions about force and motion

Does gravity act as a force on objects? Take the quiz and know more

Objects accelerate if drop freely near the surface of the earth

History and background of python programming language

Identify the antecedent and consequent in an implication statement

Almost no one lives without internet service

You may think that history makes facts. You will be amazed to know Java history. Take the quiz to know more

Kepler's third law states the relationship between a planet's average distance from the sun and the time required for the planet to complete one orbit