Centre of Gravity: Finding the Balance Point of Irregular Objects

The video tutorial explains the concept of center of gravity, particularly for irregular shapes. It demonstrates an experiment using a Plumb line to find the center of gravity of an irregularly shaped card. The tutorial highlights the importance of understanding the center of gravity for stability in various applications, such as manufacturing and aviation. It emphasizes that the center of gravity is the point where the mass of an object is concentrated and is crucial for ensuring balance and safety.

Where is the center of gravity typically located in simple shapes like a ball?

• At the geometric center

• At the edge

• At the bottom

• At the top

What tool is used in the experiment to find the center of gravity of an irregular shape?

• A plumb line

• A scale

• A protractor

• A compass

What is the purpose of marking lines on the card during the experiment?

• To measure the weight

• To find the geometric center

• To locate the center of gravity

• To balance the card

When an object is suspended, where does its center of gravity lie?

• At the suspension point

• Directly below the suspension point

• To the side of the suspension point

• Above the suspension point

How does the plumb line help in determining the center of gravity?

• It balances the object

• It provides a horizontal line

• It measures the weight

• It marks the vertical line

Why is understanding the center of gravity important in aircraft design?

• To increase speed

• To enhance passenger comfort

• To reduce fuel consumption

• To ensure stability and safety

What must be checked before takeoff to ensure an aircraft's stability?

• The number of crew members

• The color of the plane

• The weather conditions

• The weight and distribution of fuel, cargo, and passengers