On the Moon, the gravitational field strength g is 1.6 N / kg.
An object has a mass of 2.0 kg.
What is the weight of the object on the Moon?
A 0 N B 1.3 N C 3.2 N D 20.0 N
Answers
Answer:
Gravitational field strength
Weight and mass
Weight is not the same as mass. Mass is a measure of how much stuff is in an object. Weight is force acting on that stuff.
In physics, the term weight has a specific meaning, and is measured in newtons. Mass is measured in kilograms. The mass of a given object is the same everywhere, but its weight can change.
Gravitational field strengths on the Earth and Moon
Weight is the result of gravity. The gravitational field strength of the Earth is 10 N/kg (10 newtons per kilogram). This means an object with a mass of 1 kg would be attracted towards the centre of the Earth by a force of 10 N. We feel forces like this as weight.
You would weigh less on the Moon because the gravitational field strength of the Moon is one-sixth of that of the Earth (1.6 N/kg). Other planets have different gravitational field strengths. On Mars it is 3.8 N/kg. But note that your mass would stay the same on all planets regardless of their gravitational field strengths.
On Earth, if you drop an object it accelerates constantly towards the centre of the planet. You can calculate the weight of an object using this equation:
weight (N) = mass (kg) × gravitational field strength (N/kg)
Answer:3.2
Explanation: