How Much Force is Needed to Accelerate a 1000 kg Car at 2 m/s²?

Thread starter screaminseamin1
Start date Oct 8, 2007
Tags

Law Newtons Newtons second law Second law

In summary, Newton's Second Law of Motion states that the acceleration of an object is directly proportional to the net force acting on the object and inversely proportional to its mass. To solve problems involving this law, one must identify the net force, mass, and acceleration of the object and use the formula F=ma to calculate the missing quantity. The units of measurement used are Newtons (N) for force, kilograms (kg) for mass, and meters per second squared (m/s²) for acceleration. This law also relates to the concept of inertia, as objects with greater mass have more inertia and require more force to change their motion. Lastly, Newton's Second Law can be applied to objects in motion, allowing for the calculation of

Oct 8, 2007

screaminseamin1

Newtons second law problem, show all work including units

Question: How much horizontal net force is required to accelerate a 1000 kg car at 2 m/s^2?I am not sure which formula to use in this equation

Last edited: Oct 8, 2007

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Oct 8, 2007

humaders99

F=ma

= (1000kg)(2m/s^2)
= 2000N

Oct 9, 2007

dasher

ya. use the F=ma formula. but remember, all units must be SI units. this is just a general reminder.

FAQ: How Much Force is Needed to Accelerate a 1000 kg Car at 2 m/s²?

1. What is Newton's Second Law?

Newton's Second Law of Motion states that the acceleration of an object is directly proportional to the net force acting on the object and inversely proportional to its mass.

2. How is Newton's Second Law applied to solve problems?

To solve problems involving Newton's Second Law, you need to identify the net force acting on the object, its mass, and its acceleration. Then, you can use the formula F=ma to calculate the force, mass, or acceleration depending on the given information.

3. What are the units of measurement used in Newton's Second Law?

The unit of force is Newton (N), the unit of mass is kilograms (kg), and the unit of acceleration is meters per second squared (m/s²).

4. How does Newton's Second Law relate to the concept of inertia?

Inertia is the tendency of an object to resist changes in its state of motion. Newton's Second Law explains that the greater the mass of an object, the more inertia it has, and the more force is needed to change its motion.

5. Can Newton's Second Law be applied to objects in motion?

Yes, Newton's Second Law can be applied to objects in motion as it explains the relationship between force, mass, and acceleration. It can be used to determine the acceleration of an object based on the forces acting on it, or to calculate the forces needed to change the motion of an object.