Forces Glossary | Young Education

按索引浏览词汇表

特殊 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 全部

P

Parallel component

The component of a force acting along the slope.

Perfectly inelastic collision

A collision in which objects stick together.

period

the time it takes for a complete cycle or repetition of an event or phenomenon to occur. It's like a cosmic heartbeat, marking the passage of time and the regularity of cosmic occurrences.

Perpendicular

meeting a surface at an angle of 90°.

Perpendicular component

The component of a force acting at right angles to the slope.

Plastic deformation

A permanent change in shape after a force is removed.

point particle

often represented by a mathematical point with no physical size, allowing us to apply equations and principles of physics more conveniently. It's like a cosmic simplification, enabling us to explore fundamental properties without being bogged down by intricate structure.

Propellant

Material carried by a propulsion system and expelled to produce thrust.

Propulsion

Producing motion by transferring momentum to another mass.

Pulley

A wheel used with a rope or cable to change the direction of a force.