Understand how forces doing work change an object's kinetic energy.
W = F · d · cos(θ)
KE = ½mv²
W_net = ΔKE
15 min · watch
Learn how forces transfer energy to objects.
11 min · read
18 min · practice
Experiment with energy transformations on a virtual skate park!
6 min · quiz
A 10 N force pushes a box 5 m. How much work is done?