An object has a mass of 100 kilograms. What is its
weight(force) on the surface of the earth?
(Assume g= 10 m/s²)
Answers
Answered by
3
Explanation:
Weight is given by the formula,
W=mg
W is the weight of the object in newtons
m is the mass of the object in kilograms
g is the gravitational acceleration
On Earth, g=9.8 m/s2. So, the object's weight on Earth will be:
W=50 kg⋅9.8 m/s2
=490 N
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Concept:
- Weight
- Gravitational force
- All objects with mass or energy are attracted to one another by gravity, a fundamental interaction in physics.
- Difference between weight and mass of an object
- Weight is a measurement of how the force of gravity works upon a mass, whereas mass is a measure of the amount of matter in a material.
Given:
- Mass of the object = 100 kg
- Value of acceleration due to gravity g = 10 m/s^2
Find:
- The weight of the object on the surface of the earth
Solution:
Gravitational force = mass of the object * acceleration due to gravity
F = mg
F = 100 * 10 = 1000N
The weight of the object is 1000 N on the surface of the earth.
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