Force is not speed. Force is what makes an object change its speed. In other words force produces acceleration, which changes speed. The exact relation is given by one of Newton's laws of motion f=ma you can rewrite this as acceleration= force / mass
Speed and force are quite different things.
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Yes, force can affect speed. If an object is subject to an unbalanced force, it can accelerate or decelerate, which will change its speed. The greater the force applied, the greater the acceleration or deceleration of the object.
If the speed of the centripetal force is doubled, the required centripetal force also doubles to keep the object moving in a circular path at that speed. The centripetal force needed is directly proportional to the square of the speed, so doubling the speed results in a quadrupling of the centripetal force required.
To calculate force when given speed, you would need to know the mass of the object. The equation that relates force, speed, and mass is F = m*a, where F is the force, m is the mass, and a is the acceleration (change in speed over time). Without knowing the mass or acceleration, it is not possible to calculate the force.
The most basic equation in physics, which was formulated by Isaac Newton, is force equals mass times acceleration. So the amount of force that you need to change speed depends both on the mass of the object whose speed you are changing, and the amount of the change in speed.
Electrical force is related to speed through the concept of current, which is the flow of electric charge. The speed at which charged particles move in a circuit determines the strength of the electrical force acting on them. Greater speed leads to a stronger electrical force.
force
Frictional force acts against speed of any object.
How do engineers force a roller coaster to speed up
Because the size of the objects determine the speed and force of the object, the smaller the object, the higher the speed and the less force is applied whereas a larger object will apply more force and less speed.
Mach is a unit used to measure the speed of an object in relation to the speed of sound in the medium it is traveling through. It does not measure force, but rather the ratio of an object's speed to the speed of sound.