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Basic Sciences - Mechanics

Study terms related to forces, mass, motion, acceleration, momentum, equilibrium, pressure, torque, and object trajectories.

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Words Related to Basic Sciences
force
force
[Podstatné jméno]

(physics) an effect that causes a body to move or change direction

síla

síla

Ex: Gravity is the force that keeps planets in orbit around the sun. 
mass
mass
[Podstatné jméno]

(physics) the property of matter that gives it weight in a gravitational field and is a measure of its inertia

hmotnost, množství hmoty

hmotnost, množství hmoty

Ex: In physics, mass is a measure of the amount of matter in an object. 
gravity
gravity
[Podstatné jméno]

(physics) the universal force of attraction between any pair of objects with mass

gravitace

gravitace

Ex: Gravity is what keeps the planets in orbit around the Sun and the Moon in orbit around the Earth. 
center of mass
center of mass
[Podstatné jméno]

(physics) the average location of all the mass in an object or system

Ex: The center of mass of a uniform sphere is at its very center. 
friction
friction
[Podstatné jméno]

the resistance or opposing force encountered when one object moves in contact with another

tření, odpor

tření, odpor

Ex: Friction between the wheels and the road slows the car down. 
inertia
inertia
[Podstatné jméno]

the tendency of an object to resist changes in its state of motion, whether at rest or in uniform motion, and to remain in its current state unless acted upon by an external force

setrvačnost, tendence předmětu odolávat změnám v jeho pohybovém stavu

setrvačnost, tendence předmětu odolávat změnám v jeho pohybovém stavu

Ex: The concept of inertia is encapsulated in Newton's first law of motion, stating that an object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an external force. 
acceleration
acceleration
[Podstatné jméno]

(physics) the increase in velocity over time

zrychlení, zvýšení rychlosti

zrychlení, zvýšení rychlosti

Ex: Acceleration measures how quickly an object's speed changes. 
aerodynamics
aerodynamics
[Podstatné jméno]

the study of the behavior of air as it interacts with solid objects, particularly the flow of air around and through objects, and the effects of this interaction on the objects

aerodynamika, studium aerodynamiky

aerodynamika, studium aerodynamiky

Ex: Aerodynamics is essential in designing efficient aircraft wings, optimizing their shape for lift and minimizing drag during flight. 
dynamics
dynamics
[Podstatné jméno]

(physics) the branch of mechanics that studies how forces affect the motion of objects

momentum
momentum
[Podstatné jméno]

the strength of a moving object determined by multiplying how heavy it is by how fast it is going

hybnost,  moment

hybnost, moment

Ex: The car's momentum increased as it accelerated down the highway. 
motion
motion
[Podstatné jméno]

a natural process involving a change in position or orientation of an object

pohyb, přemístění

pohyb, přemístění

Ex: The planet's motion around the sun is elliptical. 
velocity
velocity
[Podstatné jméno]

the speed at which something moves in a specific direction

rychlost, svižnost

rychlost, svižnost

Ex: The velocity of an object is the rate of change of its position with respect to time. 
centripetal force
centripetal force
[Podstatné jméno]

the force that acts on an object moving in a circular path, directed toward the center of the circle or the axis of rotation, preventing the object from moving in a straight line

dostředivá síla, síla směřující do středu

dostředivá síla, síla směřující do středu

Ex: When you swing a ball attached to a string in a circular motion, the tension in the string acts as the centripetal force. 
pull
pull
[Podstatné jméno]

(physics) a force that draws or moves something toward the source of the force

kinetic
kinetic
[Přídavné jméno]

relating to the energy associated with motion or movement, emphasizing the dynamic state of objects in action

kinetický, dynamický

kinetický, dynamický

Ex: Kinetic energy is the energy possessed by an object due to its motion. 
torque
torque
[Podstatné jméno]

a rotational force measured in newton-meters or foot-pounds

točivý moment, krouticí síla

točivý moment, krouticí síla

Ex: The wrench applied torque to loosen the stubborn nut on the bolt. 
work
work
[Podstatné jméno]

(physics) the transfer of energy that happens when a force moves an object over a distance

pressure
pressure
[Podstatné jméno]

(physics) the amount of force exerted per area that is measured in pascal, newton per square meter, etc.

tlak, fyzikální tlak

tlak, fyzikální tlak

Ex: The pressure inside the scuba tank reached 200 atmospheres. 
equilibrium
equilibrium
[Podstatné jméno]

(physics) a state in which all forces or influences are balanced, so there is no change in motion or energy over time

Ex: The book rests on the table in equilibrium because gravity and the table's upward force are equal. 
trajectory
trajectory
[Podstatné jméno]

the path an object, usually a rocket, follows in air or space

trajektorie, dráha

trajektorie, dráha

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