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What are balanced forces?

The woman's balanced lifting shows equilibrium of forces.

The woman's balanced lifting shows equilibrium of forces.

The woman's balanced lifting shows equilibrium of forces.

The woman's balanced lifting shows equilibrium of forces.

Forces are pushes or pulls that can change the motion of an object. When two forces are balanced, they cancel each other out and the object does not move.

For example, if you are standing still, there are two forces acting on you: the force of gravity pulling you down and the force of the ground pushing you up. These forces are balanced, so you stay standing still.

Another example of balanced forces is a ball hanging from a string. The force of gravity pulling the ball down is balanced by the force of the string pulling the ball up. This is why the ball stays suspended in the air.

Balanced forces can also be seen in nature. For example, the leaves on a tree are held in place by the balanced forces of gravity and the force of the stem pushing the leaves up.

Examples of balanced forces:

  • A book sitting on a table.
  • A car driving at a constant speed.
  • A plane flying in a straight line.
  • A person floating in water.
  • A tug-of-war where both teams are pulling with equal force.

Balanced forces are important because they keep objects from moving. They can be found all around us, in nature and in our everyday lives.

How do unbalanced forces affect the motion of an object?

Unbalanced forces can make an object start moving, speed up, slow down, or change direction. When one force is stronger than another, it is like a tug-of-war where one team pulls harder. For example, if you push a toy car with more force on one side than the other, the car will start turning in that direction.

What are unbalanced forces?

Unbalanced forces are forces that are not equal or opposite to each other. This means that one force is stronger or weaker than another, causing an unequal tug-of-war. When there are unbalanced forces acting on an object, it will start to move or change its motion. For instance, when you kick a soccer ball, the force of your kick is stronger than the force of the ball's friction with the ground, so the ball moves forward.

The woman's balanced lifting shows equilibrium of forces.

The woman's balanced lifting shows equilibrium of forces.