A force is a ………… a ………… or a …………. You cannot see forces but you can see their …………. Forces can change ………… things about an object. They can change its …………, its ………… and its …………. We use ………… to show the ………… and ………… of forces. effect shape pull size direction push speed turn gravity three arrows
push pull turn A force is a ………… a ………… or a …………. You cannot see forces but you can see their …………. Forces can change ………… things about an object. They can change its …………, its ………… and its ………………. We use ………… to show the ………… and ……………… of forces. effect three shape speed direction arrows size direction effect shape pull size direction push speed turn gravity three arrows