1.   But a rotating craft exerts Coriolis forces, which work in a different direction from a centripetal force.

2.   Cells can also change shape, exert forces, and move from one place in the embryo to another.

3.   Work is done by a system when the system exerts a force to overcome resistance.

4.   All this gas and material is massive and exerts great forces of gravity.

5.   And when you grab something shown on the screen, other motors exert force on your fingertips.

6.   Close together, quarks exert little force on one another.

7.   For each square foot, the wind exerts a force proportional to the square of its speed.

8.   If you move to one side, the board exerts a force that pushes you in the opposite direction.

9.   It also seems to explain three of the four known forces by which particles in the universe interact, or exert forces, on one another.

10.   It particularly exerts its force over the race of Men, while hobbits, the innocent creatures of a protected land, are most able to resist its lure.