Force

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

is what makes everything move. Things against each other. They each other apart. exert force and help people do work. Things can move forward, backward, or .