Balanced and Unbalanced forces

Front

What are balanced forces?

Back

Balanced forces are forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What are unbalanced forces?

Back

Unbalanced forces are forces that are not equal and opposite, causing a change in the motion of an object.

Front

What happens to an object when balanced forces act on it?

Back

The object remains at rest or continues to move at a constant speed in a straight line.

Front

What happens to an object when unbalanced forces act on it?

Back

The object accelerates in the direction of the net force.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object, acting in the opposite direction of the movement.

Front

What is gravity?

Back

Gravity is a force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.

Front

What is the role of direction in forces?

Back

The direction of a force determines how it will affect the motion of an object.

Front

What is an example of balanced forces in everyday life?

Back

A book resting on a table experiences balanced forces: the weight of the book downward is balanced by the normal force of the table upward.

Front

What is an example of unbalanced forces in everyday life?

Back

A soccer ball being kicked experiences unbalanced forces, causing it to accelerate in the direction of the kick.

Front

How can forces change the motion of an object?

Back

Forces can change the speed, direction, or shape of an object.