CHP 11 ROTATIONAL EQUILIBRIUM quizizz review

In order for a seesaw to be in rotational equilibrium, the sum of the torques acting on it needs to be balanced if one person sits closer to the fulcrum than the other person.

• True

• False

When an object is balanced so that a displacement neither raises nor lowers its center of gravity, the object is said to be in neutral equilibrium.

• True

• False

Even though a baseball bat spins and wobbles when thrown in the air, its center of gravity follows a smooth parabolic path.

• True

• False

Tags

NGSS.HS-PS2-1

The center of mass of an object is always located inside the geometric bounds of the object.

• True

• False

An unaided object will topple over when its center of gravity extends beyond its support base.

• True

• False

The longer the handle of a claw hammer, the greater the leverage when the hammer is used to pull a nail from a piece of wood.

• True

• False

When thrown end-over end through the air, no part of the baseball bat follows a parabolic path.

• True

• False

For most objects on and near earth, the center of mass and center of gravity vary greatly.

• True

• False

The center of gravity of an object is always located at a point where the object physically exists.

• True

• False

If you throw a banana so that it rotates through the air, it will wobble about its center of gravity.

• True

• False