Balanced and Unbalanced Forces
Explore balanced and unbalanced forces with this interactive worksheet for Grade 3 science students. Understand how forces affect motion.
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Balanced and Unbalanced Forces
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Read each question carefully and answer to the best of your ability. This worksheet will help you understand balanced and unbalanced forces.
1. What happens when forces acting on an object are balanced?
The object speeds up.
The object slows down.
The object stays still or moves at a constant speed.
The object 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 child kicking a soccer ball.
Two teams in a tug-of-war pulling with equal strength.
1. If an object is moving at a constant speed, the forces acting on it are unbalanced.
True
False
2. When you push a swing and it starts to move, that is an example of an unbalanced force.
True
False
1. When forces are , an object's motion does not change.
2. An force is needed to make an object start moving, stop moving, or change direction.
1. Describe a situation where balanced forces are at work.
2. Describe a situation where unbalanced forces are at work.
Use the words below to complete the sentences.
1. A change in an object's is caused by an unbalanced force.
2. If a seesaw is perfectly still, the forces on both sides are .
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