Laws of motion

    Cards (35)

    • What does Newton's First Law state about an object's motion?
      An object remains at rest or in uniform motion
    • What does the term "external force" refer to in Newton's First Law?
      Any force that influences an object's motion
    • What is the formula for Newton's Second Law?
      F = ma
    • What does the variable 'F' represent in the equation F = ma?
      The force acting on an object
    • How is force related to mass and acceleration according to Newton's Second Law?
      Force equals mass times acceleration
    • What does Newton's Third Law state?
      For every action, there is an equal and opposite reaction
    • What is meant by "equal and opposite reaction" in Newton's Third Law?
      For every force, there is a counterforce
    • How do Newton's laws of motion relate to each other?
      They describe different aspects of motion and forces
    • If a book is resting on a table, what external force is acting on it according to Newton's First Law?
      The force of gravity pulling it down
    • How would you demonstrate Newton's Third Law using a balloon?
      By releasing air from a balloon, it moves in the opposite direction
    • What laws of motion are discussed in the video?
      Newton's first and second laws
    • What does Newton's first law state about resultant force?
      A resultant force is needed to change motion
    • What happens to a stationary object if the resultant force is zero?
      It remains stationary
    • What happens to a moving object if the resultant force is zero?
      It continues moving at the same velocity
    • What does Newton's second law state about non-zero resultant force?
      It causes the object to accelerate
    • What does "non-zero" mean in the context of forces?
      Anything other than zero
    • If a particle has unbalanced forces acting on it, what direction will it accelerate?
      In the direction of the resultant force
    • What could happen if an object accelerates to the right?
      It could start moving, speed up, or slow down
    • How does acceleration relate to velocity?
      Acceleration is the change in velocity over time
    • Why does the moon accelerate even with constant speed in circular motion?
      Its direction is constantly changing
    • What force acts on the moon to keep it in orbit?
      The gravitational pull of the Earth
    • What does the size of the resultant force relate to in Newton's second law?
      It is directly proportional to the acceleration
    • What is the equation for Newton's second law?
      F=F =ma m \cdot a
    • How do you calculate the resultant force if given two opposing forces?
      Subtract the smaller force from the larger
    • If a particle has a mass of 0.25 kg and a resultant force of 12 N, what is its acceleration?
      48 m/s248 \text{ m/s}^2
    • What is inertia?
      The tendency for motion to remain unchanged
    • How does inertia relate to Newton's first law?
      It is essentially the same principle
    • How is inertial mass defined?
      By dividing force by acceleration
    • What does a large mass indicate about an object's inertia?
      It requires a large force to change velocity
    • What happens to an object's motion if no resultant force acts on it?
      It remains at rest or in motion
    • What are the key concepts of Newton's first and second laws of motion?
      • First Law: Resultant force needed to change motion
      • Second Law: Non-zero resultant force causes acceleration
      • Inertia: Tendency to maintain current motion
    • What are the effects of acceleration on an object's motion?
      • Starts moving if stationary
      • Speeds up if moving in the same direction
      • Slows down if moving in the opposite direction
      • Changes direction without changing speed
    • How does circular motion relate to acceleration?
      • Constant speed with changing direction
      • Acceleration occurs due to direction change
      • Gravitational force acts perpendicular to motion
    • What is the relationship between force, mass, and acceleration?
      • Resultant force is proportional to acceleration
      • Equation: F=F =ma m \cdot a
      • Larger force results in larger acceleration
    • What is the significance of inertia in motion?
      • Objects at rest stay at rest
      • Objects in motion stay in motion
      • Inertia measures resistance to change in velocity
    See similar decks