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Questions and Answers
Net force is NOT equal to zero if a
The magnitude of non-contact force depends on the
We drink juice from a glass through a straw due to the
A deep sea diver's ears get hurt when inside water due to
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What does a barometer measure?
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Why does a rubber sucker stick to any surface when pressed?
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Which action requires a pushing force?
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Deep sea divers wear a special suit to
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Study Notes
Forces & Pressure
- Net Force: If a helicopter hovers above the ground, the net force is not zero.
- Non-Contact Forces: The magnitude of non-contact forces depends on the mass between two bodies.
- Atmospheric Pressure: We drink juice from a glass using a straw because of atmospheric pressure.
- Pressure & Depth: A deep-sea diver's ears get hurt underwater due to increased water pressure.
- Barometer: A barometer measures atmospheric pressure.
- Rubber Sucker: A rubber sucker sticks to surfaces due to its inherent properties.
- Pushing Force: Throwing a stone requires a pushing force.
- Low Pressure Application: Wide tires on heavy vehicles are an application of low pressure.
- Force Not Required: A balloon bursting doesn't require a force to occur.
- Deep-Sea Diving Suits: Deep-sea divers wear special suits to counter the pressure in the sea.
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Description
Test your understanding of the concepts of forces and pressure with this quiz. Explore topics such as net force, atmospheric pressure, and the effects of pressure on deep-sea divers. Perfect for students studying physics and looking to reinforce their knowledge.
