L4 🧠 Forces video

Define Force

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What Is the Net force if a box has equal opposing forces

• 0

• 10

• 1

• 5

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define Gravity

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What is the Gravitational force exerted on an object called

• centripetal force

• weight

• Momentum

• friction speed

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Which explains why Astronauts seem weightless in orbit

• Earth's gravity is much less that distance from Earth

• The spacecraft is in Freefall

• the gravity of Earth and the Sun cancel

• the centripetal force on the shuttle balance Earth's gravity

Which term best describes the forces on an object with a net force of zero

• unbalanced forces

• balanced forces

• inertia

• acceleration

Which body exerts the strongest gravitational force on you

• Moon

• Sun

• Earth

• You chair

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Which is not a force

• weight

• friction

• air resistance

• momentum