Center of Mass and Center of Gravity

Which one is the measure of how much matter an object has?

• weight

• gravity

• mass

• volume

Tags

NGSS.MS-PS1-1

NGSS.MS-PS2-4

Where will be the centre of gravity of a uniform rod lies ?

• At its end

• At its middle point

• At its centre of its cross sectional area

• Depends upon its material

Which one describe the point through which the whole weight of the body acts?

• Inertial Point

• Center of gravity

• Centriod

• Central point

Where the center of gravity of a circle lies?

• At its centre

• Anywhere on its radius

• Anywhere on its circumference

• Anywhere on its diameter

Which simple method can be used to find the centre of gravity of an object?

• stop watch

• plumbline

• pendulum

• gauge

What is one way you might increase the stability of an object?

• Lower the center of gravity

• Raise the center of gravity

• Increase the height of the object

• Shorten the base of the object

Tags

NGSS.MS-PS2-4

Where do you hang the plumb line when determining the CG?

• It doesn't matter, because it always goes through the CG

• Only from the corners

• From the point where you are suspending the object

• At the right angle

There are three kinds of equilibrium, which of following is odd one out?

• Stable equilibrium

• Metastable equilibrium

• Unstable equilibrium

• Neutral equilibrium

Where is the centre of gravity of a ball?

• On the outside edge of the ball

• A point not touching the ball

• The centre of the ball

• On the top of the ball

what is one method other than a plumb bob that can be used to find the centre of gravity?

• Dropping the object and seeing how it falls

• Finding the point that the object balances

• Measuring the object with a ruler

• Looking at the lightest part of the object