Balanced and Unbalanced Forces Worksheet
Explore balanced and unbalanced forces with this fourth-grade science worksheet, featuring multiple choice, true/false, fill-in-the-blanks, and short answer questions.
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Balanced and Unbalanced Forces
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Read each question carefully and answer to the best of your ability.
1. What happens to an object when the forces acting on it are balanced?
It speeds up.
It slows down.
Its motion does not change.
It changes direction.
2. Which of these is an example of an unbalanced force?
A book resting on a table.
A car parked on a flat road.
A ball rolling down a hill.
A tug-of-war where neither side is moving.
1. If an object is not moving, the forces acting on it are always balanced.
True
False
2. An unbalanced force is needed to start an object moving.
True
False
1. When forces are , an object's motion will change.
2. A push or a pull is called a .
3. If an object is moving at a constant speed in a straight line, the forces on it are .
1. Describe a situation where balanced forces are acting on an object.
2. Describe a situation where unbalanced forces are acting on an object.