What this means is that the bottom of the box has an upward force being applied to it by that pressure.

The bomb's upward force also staved in the driver's side door and shattered its window.

This upward force of the floor is your weight.

The ethmoid is usually fractured from an upward force to the nose.

The main upward forces were higher stock prices and an expanded money supply.

Additionally, the upward force of the blast should cause some damage to the deck.

In the actuated position the curved spring provides some upward force.

This upward net force then gives the ball an acceleration equal to that of the elevator.

The trajectory of the shot is affected by an upward force that lifts the ball.

It must have been shallow there to cause so much upward force, he thought.