Question
Download Solution PDFAn object with a specific mass will weigh ______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Weight:
- It is the measure of the force of gravity acting on a body.
- Formula: Weight, W = mg, where m = mass, a = acceleration
- So it can be said that the weight of an object is directly proportional to its mass.
- As weight is a force its SI unit is also the same as that of force, SI unit of weight is Newton (N).
Acceleration due to gravity:
- It is the acceleration gained by an object due to gravitational force.
- Its SI unit is m/s2.
- It has both magnitude and direction, hence, it’s a vector quantity.
- Acceleration due to gravity is represented by g.
- The standard value of g on the surface of the earth at sea level is 9.8 m/s2.
- The acceleration on the moon is one-sixth of the acceleration due to gravity on the earth.
Explanation:
Weight, W = mg
On the moon, g' = g/6, where, g = acceleration due to gravity on the surface of earth.
- Hence, the weight is directly proportional to the acceleration due to gravity.
- The acceleration due to gravity on the moon is less as compared to the surface of earth.
- Therefore, the weight on the surface of earth is more than that on the moon's surface.
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