You haven't listed any relevant equations.Randy3463 said:Homework Statement
A 1700kg car drives around a flat 220m -diameter circular track at 24m/s .
Homework Equations
What is the magnitude of the net force on the car?
The Attempt at a Solution
1700 * (24^2)/(110^2)
collinsmark said:Hello Randy3463,
Welcome to Physics Forums.
You haven't listed any relevant equations.
What is the equation for centripetal force? (Hint: it's not F = mv2/r2. Whatever equation you used above has a mistake in it).
Also, don't forget about the gravitational force. That is one of the two components that make up the net force.
The above equation has a mistake in it.Randy3463 said:i used Fnet= mv^2/(r^2)
Fnet = mrw^2(w=omega)
Net force is the overall force acting on an object, calculated by combining all the individual forces acting on the object. It is a vector quantity, meaning it has both magnitude and direction.
To calculate the magnitude of net force, you can use the formula Fnet = ma, where Fnet is the net force, m is the mass of the object, and a is the acceleration. Alternatively, you can add up all the individual forces acting on the object and find the resultant force using vector addition.
The unit of measurement for net force is Newtons (N). One Newton is equal to 1 kg*m/s^2. This means that for every 1 kg of mass, a force of 1 Newton will produce an acceleration of 1 meter per second squared.
The direction of net force determines the direction in which an object will accelerate. If the net force is in the same direction as the object's motion, it will speed up. If the net force is in the opposite direction, it will slow down. If the net force is perpendicular to the object's motion, it will change the direction of its motion.
By calculating the net force acting on an object and knowing its initial velocity and mass, you can use Newton's second law of motion (Fnet = ma) to predict its acceleration. From there, you can use kinematics equations to determine its future position, velocity, and acceleration at any given time.