How much work is done on a 100-kg crate that is hoisted 2 m in a time of 4 s ?
(a) 200 J
(b) 500 J
(c) 800 J
(d) 2000 J
The correct option for the statement "How much work is done on a 100-kg crate that is hoisted 2 m in a time of 4 s ?".
Answer to Problem 1RAT
The correct option for the statement "How much work is done on a 100-kg crate that is hoisted 2 m in a time of 4 s ?" is option (d).
Explanation of Solution
Given info: The mass of the crate is 100-kg , the movement of the crate is 2 m and the time for the movement is 4 s .
Write the expression for the work done.
W = m- g- h
Here,
W is the work to move the crate
m is the mass to move the crate
g is the gravitational acceleration
h is the movement of the crate
Substitute 100-kg for m , 9.8 m/s2 for g ,and <2 m for h in the above expression to get m .
Conclusion:
Therefore, the correct option for the statement "How much work is done on a 100-kg crate that is hoisted 2 m in a time of 4 s ?" is option (d).
Chapter 6 Solutions
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