Physics😟

    Cards (51)

    • What is the term for the coordinate system used to determine motion?
      Cartesian coordinate system
    • How is motion measured in a Cartesian coordinate system?
      Motion is measured using x and y coordinates
    • What is instantaneous velocity?

      Velocity of an object at a specific moment
    • What does the magnitude of velocity refer to?
      The speed of the object without direction
    • What is a projectile?
      An object given an initial velocity and influenced by external forces
    • What external forces influence a projectile?
      Gravity and air resistance
    • What is the total velocity of a projectile after launch?
      The vector sum of horizontal and vertical components
    • How is projectile motion characterized?
      By the influence of gravity and air resistance
    • What does Newton's first law state?

      An object at rest stays at rest unless acted upon by an external force
    • What is the formula for Newton's second law?

      F⃗=\vec{F} =ma⃗ m\vec{a}
    • What does Newton's third law state?
      For every action, there is an equal and opposite reaction
    • What is the significance of Newton's second law?
      It defines force and provides a way to measure it
    • What are the properties of forces according to Newton's third law?
      Forces occur in pairs, act in opposite directions, and act on different systems
    • How is weight defined in physics?
      Weight is the force of gravitational attraction on an object
    • What is the direction of the weight vector?
      Points downward towards the center of the Earth
    • What is the relationship between mass and weight?
      Weight is proportional to mass under gravitational attraction
    • What does the term "gravitational attraction" refer to?
      The force exerted by a planet on an object due to its mass
    • What is the significance of Galileo's experiments?
      They established a description of motion and disproved previous theories
    • What is the purpose of Newton's laws of motion?
      They control the principles of dynamics and describe motion
    • What is the relationship between force and acceleration according to Newton's second law?
      Force is equal to mass times acceleration
    • How does the concept of balanced forces relate to motion?
      Balanced forces result in no change in motion
    • How does mass affect gravitational force?
      Greater mass results in a stronger gravitational force
    • What happens when forces are unbalanced?
      Unbalanced forces cause a change in motion
    • What is the effect of gravity on objects?
      Gravity pulls objects towards the center of the Earth
    • What is the formula for calculating gravitational force?
      F<sub>g</sub> = mg
    • What is the significance of the weight vector?
      The weight vector indicates the direction and magnitude of gravitational force
    • How does the concept of inertia relate to Newton's first law?
      Inertia is the tendency of an object to resist changes in its state of motion
    • What is the relationship between force and motion?
      Force causes changes in the motion of an object
    • What is the role of external forces in motion?
      External forces can change the motion of an object
    • How does the concept of acceleration relate to force?
      Acceleration is directly proportional to the net force acting on an object
    • What is the significance of the vector sum of forces?
      The vector sum determines the net force acting on an object
    • What is the effect of balanced forces on an object?
      Balanced forces result in no change in the object's motion
    • How do unbalanced forces affect an object's motion?
      Unbalanced forces cause the object to accelerate or change direction
    • What is the relationship between mass and gravitational force?
      Gravitational force is proportional to the mass of the objects involved
    • What is the role of gravitational force in the motion of celestial bodies?
      Gravitational force governs the motion of celestial bodies in space
    • How does Newton's law of universal gravitation relate to mass?
      It states that gravitational force is proportional to the product of the masses
    • What is the formula for Newton's law of universal gravitation?
      F = G\frac{m_1 m_2}{r^2}
    • What does the gravitational constant (G) represent?
      It is a proportionality constant in the law of universal gravitation
    • How does distance affect gravitational force?
      Gravitational force decreases as the distance between objects increases
    • What is the significance of gravitational fields?
      Gravitational fields represent the influence of mass on other masses