Bell Ringer 6-4 [Balanced and Unbalanced Forces]

Front

What is a balanced force?

Back

A balanced force occurs when two forces acting on an object are equal in size and opposite in direction, resulting in no change in motion.

Front

What is an unbalanced force?

Back

An unbalanced force occurs when two forces acting on an object are not equal, causing the object to accelerate in the direction of the greater force.

Front

How do you calculate net force?

Back

Net force is calculated by adding all the forces acting on an object, taking into account their direction. If forces are in the same direction, add them; if they are in opposite directions, subtract the smaller force from the larger one.

Front

If a force of 35 N right and a force of 25 N right are applied to an object, what is the net force?

Back

60 N right.

Front

What happens to an object when the net force acting on it is zero?

Back

The object will remain at rest or continue to move at a constant velocity.

Front

What is friction?

Back

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

Front

Give an example of an unbalanced force in everyday life.

Back

A ball rolling down a hill experiences unbalanced forces due to gravity pulling it down and friction slowing it down.

Front

What is the effect of unbalanced forces on a moving object?

Back

Unbalanced forces cause a change in the object's speed or direction.

Front

If a box is pushed with a force of 50 N to the right and a force of 30 N to the left, what is the net force?

Back

20 N right.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion; an object at rest stays at rest, and an object in motion stays in motion unless acted upon by an unbalanced force.