no,we can not see all the forces that affect an object.
Not at all. The object is at rest only because the forces are balanced.
If the forces on an object are balanced then the object will not move. This simply means that the forces on the object counteract each other. If they are unbalanced then the object will move under the effect of the resultant force. The resultant force is the combination of all of the forces acting on an object.
Since any object's acceleration is proportional to the net force on the object, the object's motion will tell you about the net force on it, i.e., the vector sum of all forces acting on the object. However, you will not be able to tell anything about the individual forces unless there is only one.
You never know. The only thing you know about the forces on an object that's not accelerating is: They all add up to zero, and their effect on the object is the same as if no forces at all were acting on it. That's the same as saying that all the forces on the object are 'balanced'.
Equilibrium is a state in which all forces acting on an object are in balance.
Not at all. The object is at rest only because the forces are balanced.
Forces don't affect forces. FORCES act on OBJECTS.If there is an unbalanced force, that means that the sum of all forces acting on an object is not zero.
If the forces on an object are balanced then the object will not move. This simply means that the forces on the object counteract each other. If they are unbalanced then the object will move under the effect of the resultant force. The resultant force is the combination of all of the forces acting on an object.
If all of the forces on an object are balanced, then their net effect on the object is the same as if there were no force on it at all. Under those circumstances, its acceleration is zero, meaning that its speed and direction of motion do not change.
No, you most certainly are not able to see all of the forces. For instance, you cannot 'see' gravity. You cannot 'see' moving air. And I suggest that you don't make your homework questions look like homework questions, it makes people less likely to answer them. ;)
* Balanced: The vector sum of all forces on an object is zero. The object does not accelerate.* Unbalanced: The vector sum of all forces on an object is NOT zero, the object DOES accelerate.
Since any object's acceleration is proportional to the net force on the object, the object's motion will tell you about the net force on it, i.e., the vector sum of all forces acting on the object. However, you will not be able to tell anything about the individual forces unless there is only one.
If all forces of an object are balanced, then the motion of the object will remain the same. For instance, if all forces are balanced and if the object is moving, then it will continue to move. If it's still, it will remain still.
You never know. The only thing you know about the forces on an object that's not accelerating is: They all add up to zero, and their effect on the object is the same as if no forces at all were acting on it. That's the same as saying that all the forces on the object are 'balanced'.
Equilibrium is a state in which all forces acting on an object are in balance.
Because NOT all forces are equal and opposite. By Newton's Third Law, if object A attracts object B, then object B also attracts object A - with an equal but opposite force. But those forces act on DIFFERENT objects! The forces on object A, and on object B, may be unbalanced!Because NOT all forces are equal and opposite. By Newton's Third Law, if object A attracts object B, then object B also attracts object A - with an equal but opposite force. But those forces act on DIFFERENT objects! The forces on object A, and on object B, may be unbalanced!Because NOT all forces are equal and opposite. By Newton's Third Law, if object A attracts object B, then object B also attracts object A - with an equal but opposite force. But those forces act on DIFFERENT objects! The forces on object A, and on object B, may be unbalanced!Because NOT all forces are equal and opposite. By Newton's Third Law, if object A attracts object B, then object B also attracts object A - with an equal but opposite force. But those forces act on DIFFERENT objects! The forces on object A, and on object B, may be unbalanced!
An unbalanced group of forces on an object causes the object to accelerate.Its acceleration is (the vector sum of all the forces)/(the object's mass) .