Concept explainers
To find: the work done to push the cart on the ramp assuming that friction is not a factor.
Answer to Problem 21E
The work done is
Explanation of Solution
Given:
The weight of the cart is
Inclined at the angle of
Concept used:
The formula for work done without effect of friction:
Calculation:
According to the given:
Weight of the cart is
Inclined at the angle of
Since, there is no frictional force actin on the cart so, the force is only from the external force by tony.
The formula for the work done without friction is:
The force should be in newton and distance should be in meter.
According to standard unit:
Since, Weight and force is equal therefore force is equal to:
Similarly, the ramp is
Putting the values in equation
Hence, the work done is
Chapter 11 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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