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Q: What is a four letter word that means that which is necessary for a force to move an object It's third letter is r?
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What does effort forces mean?

The effort force is the force that is applied to an object that causes it to move. The object reciprocates with a resistance force. If the effort force is greater than the resistance force, the object moves.


Are net forces and unbalanced forces the same thing?

Net force is the sum of all forces that act on an object. An unbalanced force means that net force is not equal to zero. If that is the case, the object will accelerate.Net force is the sum of all forces that act on an object. An unbalanced force means that net force is not equal to zero. If that is the case, the object will accelerate.Net force is the sum of all forces that act on an object. An unbalanced force means that net force is not equal to zero. If that is the case, the object will accelerate.Net force is the sum of all forces that act on an object. An unbalanced force means that net force is not equal to zero. If that is the case, the object will accelerate.


Why is the support force on an object called the normal force?

The support force on an object is called the normal force because it is a force "normal" to the object. "Normal" in this sense means perpendicular.


Can an object can be moving if the net force acting on the object is zero?

Absolutely. The key is to realize that a net force of zero on an object means only that it is not accelerating. This means that an object feeling zero net force can either be stationary or moving at constant speed in a straight line.


Accleration due to gravity?

That means that when an object is ONLY subject to the force of gravity, and no other force (mainly, there must be no air resistance), the object will accelerate. This, in turn, means that the object's velocity will change.


What is the meaning of action-reaction?

It means that if one object exerts a force on another object, the other objects exerts a force back on the first object.


If An object will accelerate in the direction of the net force balanced force normal forces?

If the object accelerates, that means the forces are NOT balanced.


When a car speeds up does the drag increase or decrease?

as an object accelerates, the amount of drag exerted on it increases. This means that more force is necessary to sustain the same level of acceleration. If that external force is increasing, as in a car or plane, then the object can be accelerated well past its terminal velocity. If, however, the only force being exerted on it is the force of gravity, then eventually the drag will become as great as the static force of gravity, and the object will cease to accelerate.


What does moving object mean?

it means an object is moving based on the force of friction and gravity.


How does affect an object?

weight is the force gravity exerts on an object. Therefore, it means that the greater weight an object has, the greater force is needed to move it in the opposite direction.


What means moving?

it means an object is moving based on the force of friction and gravity.


When an object is falling at terminal velocity what is the net force acting on the object?

Zero. "Terminal velocity" means that the object is no longer accelerating; the downward force of gravity and the upward force of resistance are in balance.