GRADE 9 PHYSICS

When two objects try to pull each other this is

• Gravity

• Force

• Gravitational Force

• All of the Above

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Which of the folllowing wherein gravity is manifested?

• Helium Balloon

• Launching Rocket

• Zip on a Straw

• Bouncing Ball

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When you accidentally dropped your cellphone and ONLY gravity is acting on it, it is called

• Gravitational Pull

• Force of Gravity

• Free Fall

• Projectile

Who discovered Gravity?

• Albert Einstein

• Isaac Newton

• Archimedes

• Aristotle

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Which of the following is the value of Gravity here on Earth?

• 9.8 m/s²

• 9.8 m²/s

• 9.8 m/s

• 9.8 m²/²

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Gravity is a force, it is a/an

• Upward force.

• Downward force.

• Internal force.

• External force.

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Force is the ratio of acceleration and

• Mass

• Weight

• Gravity

• Kilogram

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Which of the following is the formula of Force?

• F = m/a

• F = a/m

• F = ma

• F = wa

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What makes mass different from weight?

• Gravity

• Force

• Acceleration

• Kilo

The unit of acceleration is

• Meter squared per second

• Meter squared per second squared

• Meter per second

• Meter per second squared