Understanding Forces: Balanced and Unbalanced

What is the definition of force according to Sir Isaac Newton?

• A force is a type of energy.

• A force is the weight of an object.

• A force is a push or pull resulting from an object's interaction with another object.

• A force is the speed of an object.

Which of the following is an example of balanced forces?

• A car accelerating on a highway.

• An object hanging from a ceiling.

• A vehicle slowing down.

• A ball bouncing on the ground.

What happens when forces are balanced?

• The object changes its direction.

• The object accelerates.

• The object changes its speed.

• The object remains in its current state of motion.

Which scenario is an example of unbalanced forces?

• A boat floating on water.

• A book resting on a table.

• A picture hanging on a wall.

• A car accelerating on a highway.

What is the effect of unbalanced forces on an object?

• They make the object heavier.

• They have no effect on the object.

• They cause the object to change its speed or direction.

• They cause the object to remain stationary.