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An object's nature is to adhere to it's current state (by state I mean velocity). With no force applied, nothing will cause it to change its velocity.

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Q: Why is force necessary in order to accelerate?
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What is a force produced by a circular motion that causes something to accelerate?

Circular motion doesn't produce force. 'Centripetal force' is necessary in order to produce circular motion. Also, so-called 'centrifugal force' isn't a force at all.


What is necessary for an object to acceleration?

It has to change its speed or direction. In order for that to happen, there has to be a net force applied to the object which is non zero.


What type of motion that is force is necessary to make all object accelerate?

heat energy


How does force and massmplay a role in acceleration?

in short: larger mass requires more force in order to accelerate


A net force causes an object to?

Accelerate, motion is generated by applying force to mass.


What is necessary force wise to accelerate a system?

The total input force in a given direction should be positive. (e.g. You have to overcome friction) Then by Newtons law of motion: F =ma or a =m / F which will cause a body to accelerate.


What force is necessary to accelerate a 70-kg object at a rate of 4.2 ms?

Force = mass x acceleration = 70 x 4.2 = 294 Newtons


An object will accelerate in the direction of what force?

An object will accelerate in the direction of net force


A net force greater than zero will cause an object to?

... to accelerate.... to accelerate.... to accelerate.... to accelerate.


Will an object that has a normal force accelerate in the direction of the force?

Yes. If there is an unbalanced force on an object, the object will always accelerate in the direction of the force.


Is an unbalanced force needed to start motion?

Yes, in order for an object to accelerate or decelerate, the resultant force cannot be zero.To cause a car to accelerate, the forward force (thrust force/engine force) must be greater than the backwards force (friction force/brake force). When this unbalanced force is achieved, the body will initiate its motion.


Force required to accelerate a mass?

Force = mass x acceleration. Any amount of force will accelerate a mass. The amount of force you want to use depends on how quickly you want to accelerate something.