bryła sztywna

In general, when a rigid body moves, both its position and orientation vary with time.

Inside, he stood with her a moment, body rigid, and asked, "Are you sure you're all right? "

The tension went out of her rigid body and she slumped in the chair.

She squirmed around to face in the same direction, her body rigid against his.

Thus, a rigid body free to move in space is said to have six degrees of freedom.

She saw that he was very white about the mouth, his body rigid.

This is when the inclusion moves as a rigid body.

Sarah came forward a few steps, her entire body rigid with rage.

A dead and rigid body would be a cinch for them.

A change in the position of a rigid body is more complicated to describe.