Center of Mass

We have seen people spinning and balancing football on their finger. How is it possible?

• If we know magic

• By concentrating

• If we place our finger at the center of mass

• Those are AI generated fake videos

Centre of mass is the point where ______________

• the total mass becomes zero

• the whole mass of the object concentrates

• gravity will be zero

• none of these

We can find the center of mass of a rectangle by _____________

• drawing diagonal lines

• drawing perpendiculars

• not possible

• drawing tangents

Center of mass is similar to center of gravity

• TRUE

• FALSE

Center of mass can be inside or outside the object

• TRUE

• FALSE

What is the effect of shifting the center of mass of an object?

• It makes the object invisible

• It changes the object's stability

• It increases the object's weight

• It has no effect

In a uniform gravitational field, the center of mass and the center of gravity are ____________.

• only the same for spherical objects

• dependent on the shape of the object

• never the same point

• always the same point

Two objects of mass 2kg and 7 kg are separated by a distance. What can you say about the objects center of mass?

• It will be closer to 2 kg

• It will be in the middle

• It will be closer to 7 kg

• It will be outside the plane

The center of mass of two objects was found to be perfectly in their middle. What can you say about their masses?

• The objects have same mass

• one object is heavier than the other

• We cannot say anything about the mass