Kinetic energy
Instruction:
Apply a force to the box for some time. Compare the work done and the change in kinetic energy of the box.
Mass of box
10 kg
10 kg
20 kg
30 kg
Pushing force
10 N
10 N
20 N
30 N
Apply
Pause
Continue
Reset
Work done
Applied force
F
=
N
Displacement
s
=
m
Work done by the force =
Fs
=
J
0.00 m s
–1
F
frictionless horizontal surface
Compare
Motion paused
Kinetic energy (KE)
Mass of box
m
=
kg
Initial velocity
u
=
m s
–1
Final velocity
v
=
m s
–1
Change in KE =
1
m
(
v
2
–
u
2
) =
J
2