2D Shapes
This 2D shape consists of all points equidistant from a center
Circle
A perfectly round 3D object where every point is equidistant from the center
Sphere
The study of motion without considering mass or force
Kinematics
Physical components of machines or computers, such as gears or circuits
Hardware
This toothed component transfers rotational motion between shafts
Gear
A quadrilateral with four equal sides and four right angles.
Square
A shape with two circular bases connected by a curved surface
Cylinder
The physics branch studying heat, energy, and their transformations
Thermodynamics
The stationary ring in a rolling contact bearing that holds the rollers
Outer race
A threaded fastener used to join parts with a nut
Bolt
A shape with two pairs of equal sides and four right angles.
Rectangle
A 3D figure with a circular base tapering smoothly to a vertex
Cone
The study of liquids and gases in motion, crucial for designing pipelines
Fluid mechanics
A professional who designs and improves machinery and mechanical systems
Mechanical engineer
An elastic device that stores mechanical energy and returns to its original shape
Spring
A polygon with three edges and three vertices." → What is a triangle
Triangle
A 3D shape with two identical polygonal bases connected by rectangular faces
Prism
A field focused on creating systems capable of learning and decision-making
Artificial intelligence
The transfer of energy from a source to machinery to perform work
Power transmission
A rigid bar pivoted on a fulcrum to amplify input force
Lever
A rhombus shape often used to represent symmetry in 2D diagrams（you can see it in poker game）
Diamond
A polyhedron with a polygonal base and triangular faces meeting at a common apex
Pyramid
The science of electric and magnetic fields and their interactions
Electromagnetism
A bearing using cone-shaped rollers to handle radial and thrust forces
Tapered roller bearing
A wheel with a grooved rim used to change the direction of a cable or belt
Pulley