Structures 1
This point in an object is where its mass is evenly distributed and acts as the balance point.
What is the centre of gravity?
This horizontal beam is supported at only one end, like a diving board over a pool.
What is a cantilever?
This streaming platform is famous for shows like Stranger Things and The Witcher.
What is Netflix
This simple machine is a rigid bar that pivots around a fixed point called a fulcrum, like a seesaw.
What is a lever?
This force pulls objects toward each other, such as the Earth pulling objects toward its center.
What is gravitational force?
Artists improve sculpture stability by keeping this point low and the base wide to prevent tipping.
What is the centre of gravity?
This type of beam has an I-shaped cross-section and is commonly used in bridges and buildings for strength and weight efficiency.
What is an I-beam?
This superhero is known as the "Caped Crusader" and protects Gotham City.
Who is Batman
An inclined plane wrapped around a cylinder forms this simple machine, often found on jar lids.
What is a screw?
This force opposes motion between two surfaces in contact, producing heat when you rub your hands together.
What is frictional force?
This network of beams forming triangles provides strong support and is often found in roof structures.
What is a truss?
Bridges may collapse due to this type of load exceeding their design capacity.
What is an excessive vehicle weight load?
This K-pop group has gained global fame with hits like "Dynamite" and "Butter."
Who is BTS?
The formula to calculate this quantity is force applied multiplied by distance.
What is work?
This force, applied by the rider pushing pedals, turns gears and propels the bicycle forward.
What is the pedaling force?
Small homes are often built with this framing material due to its light weight, lower cost, and ease of construction.
What is wood?
Incorrect loading of these can cause a ship to list, making navigation difficult and increasing capsize risk.
What are containers?
This movie series features a young wizard named Harry Potter attending a magical school.
What is Harry Potter.
This simple machine uses a wheel turning around a central rod and is found in objects like doorknobs.
What is the wheel and axle?
Describing a force as "4.2 kg" is incorrect because kilograms measure this, not force.
What is mass?
This curved, semicircular structure evenly distributes weight and is commonly used in bridges and doorways.
What is an arch?
This metal reinforcement is added to concrete to increase its tensile strength but is typically not used in thin sidewalks.
What is rebar?
This video game became a worldwide sensation with creative building and battle modes, often abbreviated as "MC."
What is Minecraft?
The actual mechanical advantage of a lever is the ratio of this force to the input force.
What is the output force?
This force acts along a rope or cable when pulled tight from opposite ends, like in a tug-of-war.
What is tension force?