Suppose the masses described in problem 65 are 1 kg and 100 kg, respectively. Compare the accelerations when they are interchanged, that is, for the case where the 1-kg mass dangles over the pulley, and then for the case where the 100-kg mass dangles over the pulley. What does this indicate about the maximum acceleration of such a system of masses?
To explain: The comparison of acceleration of masses for the given cases. Also, the information about the maximum acceleration of such a system of masses.
Answer to Problem 66A
The acceleration of the
Explanation of Solution
Given:
The masses
Formula used:
The expression for force is,
Here,
The expression for weight is,
Here,
Calculation:
Consider the acceleration due to gravity as
Consider the case when
Sketch the pulley diagram as shown in below.
The acceleration of the system is,
Consider the case when the
Sketch the pulley diagram as shown in Figure below.
The acceleration of the system is,
Hence, the acceleration will be more when
Chapter 6 Solutions
Conceptual Physics: The High School Physics Program
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