a.
The IMA of the wedge.
a.
Answer to Problem 26PP
Explanation of Solution
Given:
The distance upto which the wedge is driver,
The distance by which the log is seperated,
The force needed to split the log,
The force exerted by the sledgehammer,
Formula used:
The idea mechanical advantage is the ratio of the distances moved,
Where
Calculation:
Using the given values, IMA of the wedge can be calculated as,
Conclusion:
Thus, IMA of the wedge is
b.
The MA of the wedge.
b.
Answer to Problem 26PP
Explanation of Solution
Given:
The distance upto which the wedge is driver,
The distance by which the log is seperated,
The force needed to split the log,
The force exerted by the sledgehammer,
Formula used:
The mechanical advantage of a system is given by,
Where
Calculation:
Using the given values, MA of the wedge can be calculated as,
Conclusion:
Thus, MA of the wedge is
c.
The efficiency of the wedge as a machine.
c.
Answer to Problem 26PP
Explanation of Solution
Given:
The distance upto which the wedge is driver,
The distance by which the log is seperated,
The force needed to split the log,
The force exerted by the sledgehammer,
From part (a),
From part (b),
Formula used:
The efficiency of a machine is the ratio of mechanical advantage and ideal mechanical advantages,
Calculation:
Using the given values in above, the efficiency of the wedge can be calculated as,
Conclusion:
Thus, the efficiency of the wedge is
Chapter 10 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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