Worksheet
Force vs Displacement Graphs
Refer to the following information for the next thirteen questions.
A 5.0-kg mass is pushed along a straight line by a net force described in the graph below. The object is at rest at t = 0 and x = 0.
During which displacement interval was the object's acceleration uniform?
What acceleration did the object experience when x = 10 meters?
How much work was done on the object during the first 20 meters?
How much kinetic energy did the object gain during the first 20 meters?
What was the object's instantaneous velocity at x = 20 meters?
How much time was required to move it through the first 20 meters?
How much did the object's momentum change in the first 20 meters?
What was the object's instantaneous acceleration at x = 22 meters?
Why can't the kinematics equations for uniformly accelerated motion be used to calculate the object's instantaneous velocity at x = 30 meters? What method should be used?
How much work was done to move the object from 20 meters to 30 meters?
What was the object's instantaneous speed at x = 30 meters?
What was the total impulse delivered to the object from x = 0 to x = 30 meters?
What percent of the impulse was delivered in the last 10 meters?
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