Which unit is the SI unit of force?
Answer and explanation
Correct answer: B. The newton, equal to one kilogram metre per second squared
- Step 1: Force is mass times acceleration, so its unit is kg·m/s². Step 2. This unit is called the newton. Answer: the newton. Why not the others: joule is energy, watt is power and pascal is pressure.
Practise more Mechanics and Gravitation.
Free questions with an explanation for every one, and full timed German Abitur mock tests.
More Mechanics and Gravitation questions
- Which statement is Newton's first law?
- A car accelerates uniformly from rest to in . What is its acceleration?
- An object falls from rest from a height of (use , no air resistance). How long does the fall take?
- What is the kinetic energy of a body moving at ?
- A car of mass drives at . What is its momentum?
- By what factor does the gravitational force between two masses change when the distance between them is doubled?