How do balanced and unbalanced forces affect the stone's motion? What can you do to safely stop it?
Understand the Problem
The question is asking how balanced and unbalanced forces affect the motion of a stone rolling down a hill and what can be done to stop it safely. The focus is on understanding the concepts of force in physics.
Answer
Unbalanced forces move the stone, balanced forces stop it. Increase resistance safely.
Unbalanced forces cause the stone to accelerate and roll down the hill. When it reaches the valley, balanced forces slow and stop it. To safely stop it, increase the resisting force gradually, such as friction or applying brakes.
Answer for screen readers
Unbalanced forces cause the stone to accelerate and roll down the hill. When it reaches the valley, balanced forces slow and stop it. To safely stop it, increase the resisting force gradually, such as friction or applying brakes.
More Information
Unbalanced forces cause a change in motion, such as starting or accelerating movement. Balanced forces do not alter motion, resulting in rest or constant speed. To stop the stone safely, increasing friction or using a gradual stopping mechanism is effective.
Tips
Avoid assuming balanced forces will cause motion; they maintain the current state. Ensure to apply force safely and gradually.
Sources
- Balanced & Unbalanced Force | Definition & Examples - Study.com - study.com
- Balanced and unbalanced forces (video) - Khan Academy - khanacademy.org
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