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  2. Acceleration in Newton's second law - Physics Forums

    www.physicsforums.com/threads/acceleration-in-newtons-second-law.1056839

    According to Newton's second law, mass has an inverse relationship with acceleration. This means that as the mass of an object increases, the acceleration decreases for a given net force. Conversely, a smaller mass will result in a greater acceleration for the same net force. Can acceleration be negative in Newton's second law? Yes ...

  3. Newton's Second Law - Physics - Socratic

    socratic.org/physics/forces-and-newtons-laws/newtons-second-law

    Newton's second law states that acceleration of an object is produced when a force acts on a mass. The greater the mass (of the object being accelerated), the greater the force needed to accelerate the object. What that means is that heavier objects require more force than lighter objects to make them move the same distance.

  4. Newton's 2nd Law confusion: mass times acceleration is not a...

    www.physicsforums.com/threads/newtons-2nd-law-confusion-mass-times...

    Newton's 2nd law says that acceleration = net force / mass Don’t worry about those sentences, the book is just trying to teach you how to properly do free body diagrams, which should only include forces and moments acting on a mass.

  5. Newton's 2nd Law confusion: mass times acceleration is not a...

    www.physicsforums.com/threads/newtons-2nd-law-confusion-mass-times...

    Grateful if someone could explain why, if Newton's 2nd law says F=ma, I've read warnings and cautions in several physics books that mass times acceleration is not a force. Because it's the sum of all the forces. Law II tells us that the mass of a particle, times its acceleration, equals the...

  6. Difference between Newton's 2nd Law/3rd Law of motion? - Physics...

    www.physicsforums.com/threads/difference-between-newtons-2nd-law-3rd-law-of...

    One example of Newton's 2nd Law is a person pushing a shopping cart. The force exerted by the person on the cart causes it to accelerate in the direction of the force. The mass of the cart also plays a role in determining the acceleration - a heavier cart will require more force to accelerate compared to a lighter cart.

  7. Is there a clever name for Newton's 2nd Law? - Physics Forums

    www.physicsforums.com/threads/is-there-a-clever-name-for-newtons-2nd-law.996523

    Newton's 2nd Law is the mathematical equation that links the concepts of force, mass, and acceleration in Newton's Laws of Motion. It provides a quantitative relationship between these variables and is essential in understanding the behavior of objects in motion.

  8. How does friction affect Newton's second law? - Socratic

    socratic.org/questions/how-does-friction-affect-newton-s-second-law

    Friction decreases the acceleration compared to a frictionless situation. Newton's 2nd law states acceleration is proportional to the net force acting on an object. The net force is the vector sum of all the forces applied to the object. It is basically described as the unbalanced force. Friction always acts in the direction opposing motion. This means if friction is present, it counteracts ...

  9. How does Newton's second law apply to a car crash? - Socratic

    socratic.org/questions/how-does-newton-s-second-law-apply-to-a-car-crash

    The force of a crash increases when either the mass or the acceleration increases. Newton's second law, F=ma, states that the force of something is directly proportional to both the mass and the acceleration of a moving object. This means that if either of these two variables increase, then the overall force applied to the object in question will also be increased. Thus, if a car that weighs ...

  10. what is newtons second law | Wyzant Ask An Expert

    www.wyzant.com/resources/answers/3457/what_is_newtons_second_law

    Newton's 2nd Law is the source for all the figuring in physics. It states that any acceleration of an object (acceleration is a vector with both magnitude and direction) will be in the direction of the net force (a vector as well), and will be directly proportional to the net force, and inversely proportional to the object's mass (inertia).

  11. When does Newton's Second Law not hold? - Physics Forums

    www.physicsforums.com/threads/when-does-newtons-second-law-not-hold.762949

    Law Newton's second law Second law In summary: Advanced calculus.In summary, this high school student thinks that Newton's Second Law does not hold if the mass is changing with time. However, if you use the instantaneous mass instead of the mass at a particular point in time, the law still holds.