Concept explainers
An apple weighs about 1 N. What is its mass in kilograms? What is its weight in pounds?
The mass of an apple in kilograms for a given weight. Also, the weight in pounds.
Answer to Problem 26A
The mass of the apple in kilograms is
The weight of the apple in pounds is
Explanation of Solution
Given:
An apple weighs about 1 N.
Formula used:
The weight of an object is the force it experiences due to the force of gravity exerted by earth on it. It can be expressed as,
Here, mass is expressed in kilograms and the acceleration due to gravity on earth is considered which is
Now, pounds are a measure of the quantity of matter on the surface of earth. It is related to kilogram as,
Calculation The weight of the apple is given as 1 N. From this, the mass in kilogram can be obtained as,
Now, the weight of the apple in pounds is given by,
Conclusion:
The mass of the apple in kilograms is
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