Free Fall Vocabulary

In Newtonian physics, ________________ is any motion of a body where gravity is the only force acting upon it.

• kinematics

• free fall

• mechanics

• velocity

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the motion of an object falling with a constant acceleration

• free fall

• force

• gravity

• deceleration

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An object is in ______ _____ when no other forces are acting on it.

• amazing grace

• free time

• free fall

• fall time

In Newtonian physics, ________________ is any motion of a body where gravity is the only force acting upon it.

• kinematics

• free fall

• mechanics

• velocity

The motion of an object falling with a constant acceleration

• free fall

• force

• gravity

• deceleration

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What is the acceleration due to gravity on Earth in free fall?

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Which of the following is true about objects in free fall?

• They experience air resistance.

• They accelerate at a constant rate.

• They move at a constant speed.

• They are not affected by gravity.

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NGSS.MS-PS2-4

In a vacuum, which object will hit the ground first when dropped from the same height?

• A feather

• A stone

• Both at the same time

• Neither will hit the ground

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What is the term for the speed at which an object stops accelerating during free fall?

• Terminal velocity

• Initial velocity

• Average speed

• Constant speed

Which scientist is known for his work on the laws of motion and free fall?

• Albert Einstein

• Galileo Galilei

• Isaac Newton

• Niels Bohr

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