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ABCD

Animate

Graph

Time

Axes

energy-spring-1b.iwp


When you play the animation, the block oscillates horizontally about the origin on a frictionless table. The origin is in the center and the direction of +x is to the right. The oscillation is the result of a Hooke's Law force applied by the spring to the block. The system is taken to be the block and spring. (Gravitational and normal forces do no work on the block.) Which one of the energy bar diagrams (A,B,C,D) represents how the kinetic energy (blue), elastic potential energy (red), and total system energy (green) change as a function of time?
Inputs
Mass of block kg
Spring constant N/m
Outputs
Position of block m
Velocity of block m/s
Position vs. Time5.04.54.03.53.02.52.01.51.00.50.0-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.05.04.54.03.53.02.52.01.51.00.50.0Time (s)-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.0Position vs. Time5.04.54.03.53.02.52.01.51.00.50.0-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.05.04.54.03.53.02.52.01.51.00.50.0Time (s)-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.0
Velocity vs. Time5.04.54.03.53.02.52.01.51.00.50.0-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.05.04.54.03.53.02.52.01.51.00.50.0Time (s)-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.0Velocity vs. Time5.04.54.03.53.02.52.01.51.00.50.0-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.05.04.54.03.53.02.52.01.51.00.50.0Time (s)-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.0
Acceleration vs. Time5.04.54.03.53.02.52.01.51.00.50.0-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.05.04.54.03.53.02.52.01.51.00.50.0Time (s)-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.0Acceleration vs. Time5.04.54.03.53.02.52.01.51.00.50.0-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.05.04.54.03.53.02.52.01.51.00.50.0Time (s)-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.0
Animation Axes Scale
X Y
Min:
Max:
Grid:
Unit:
meters
meters

Graph Axes Scales

Position
X Y
Min:
Max:
Grid:
Unit: seconds
Velocity
X Y
Min:
Max:
Grid:
Unit: seconds
Acceleration
X Y
Min:
Max:
Grid:
Unit: seconds
Animation Time Scale
Time Step seconds
Start Time seconds
Stop Time seconds