🔬 Science & Research

Physics fundamentals

Newton's laws, energy, electricity and waves — the mechanics that first-year courses assume.

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Question 1 of 8

Newton's third law says that forces:

Question 2 of 8

A 2 kg object accelerating at 3 m/s² experiences a net force of:

Question 3 of 8

Which quantity is conserved in every collision, elastic or not?

Question 4 of 8

Ohm's law relates voltage, current and resistance as:

Question 5 of 8

The first law of thermodynamics is a statement of:

Question 6 of 8

A wave's speed equals:

Question 7 of 8

Weight differs from mass because weight:

Question 8 of 8

In a series circuit, the same quantity through every component is:

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