force and friction

123456
Across
  1. 4. rounded in front and narrow at back
  2. 6. measure of the earth's gravitational pull on an object
Down
  1. 1. push or pull
  2. 2. force which pulls everything toward the earth
  3. 3. force that slows down moving objects
  4. 5. frictional force that fluids exert on objects