Fisica PH101 Practica 2

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Questions and Answers

Cossí fonciona la lei de la gravetat universal?

La lei de la gravetat universal es una fòrça que atrai un objècte cap a un autre.

Quin es lo principi de la inèrcia?

Lo principi de la inèrcia es que un objècte en repòs demora en repòs, e un objècte en movement demora en movement, fins que una fòrça el faga cambiar.

Cossí es mesura la massa d'un objècte?

La massa d'un objècte se mesura en unitats de massa, coma lo gram o lo quilogram.

Quin es lo ròtle de la fòrça dins lo movement d'un objècte?

La fòrça es lo que fa cambiar la velocitat o la direccion d'un objècte. Signup and view all the answers

Cossí es calcula la velocitat d'un objècte?

La velocitat d'un objècte es calculada divisan la distància recorreguda pel temps util. Signup and view all the answers

What is the significance of the Universal Gravitation Law in understanding the motion of celestial bodies?

The Universal Gravitation Law helps explain the motion of celestial bodies by describing the attractive force between two objects with mass. Signup and view all the answers

How does the concept of inertia relate to the motion of an object?

Inertia is the tendency of an object to resist changes in its motion, either to remain at rest or to continue moving with a constant velocity. Signup and view all the answers

What is the difference between mass and weight, and why is it important in physics?

Mass is a measure of the amount of matter in an object, while weight is the force exerted on an object by gravity; understanding the distinction between the two is essential in physics. Signup and view all the answers

How does force relate to the acceleration of an object?

Force is the cause of acceleration, and the amount of force applied to an object determines the degree of acceleration it experiences. Signup and view all the answers

What is the relationship between velocity and acceleration in an object's motion?

Velocity is the rate of change of an object's position, while acceleration is the rate of change of its velocity; understanding the distinction between the two is crucial in describing an object's motion. Signup and view all the answers