Concept explainers
To calculate: Work needed to lift a given weight.
Answer to Problem 4.2APP
Work done in lifting the weight is
Explanation of Solution
Given:
Mass =
Distance =
Formula used:
Work done is given by,
where F is force and d is distance.
Force is given by,
where m is mass and
Calculation:
Force is calculated as:
Work done is calculated as:
Conclusion:
Work done in lifting the weight is
Chapter SH Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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