Test on Newtons 3 Laws and Kinetic & Potential Energy

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What is Newton's Second Law of Motion?

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Newton's Second Law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This can be expressed with the formula: F = ma (Force = mass x acceleration).

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NGSS.MS-PS2-2

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How does mass affect acceleration according to Newton's Second Law?

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According to Newton's Second Law, if the same force is applied to two objects of different masses, the object with less mass will accelerate more than the object with more mass.

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NGSS.MS-PS2-2

Front

What is kinetic energy?

Back

Kinetic energy is the energy of motion. It depends on the mass of the object and its velocity, and is calculated using the formula: KE = 1/2 mv² (Kinetic Energy = 1/2 x mass x velocity squared).

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What is potential energy?

Back

Potential energy is the stored energy in an object due to its position or state. For example, gravitational potential energy depends on an object's height and mass, calculated using the formula: PE = mgh (Potential Energy = mass x gravity x height).

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NGSS.MS-PS3-2

Front

What does Newton's Third Law of Motion state?

Back

Newton's Third Law states that for every action, there is an equal and opposite reaction. This means that forces always occur in pairs.

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NGSS.MS-PS2-1

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How does a rocket move according to Newton's Third Law?

Back

A rocket moves forward by expelling hot gas backward, which creates an equal and opposite reaction that propels the rocket forward.

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NGSS.MS-PS2-1

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What is the relationship between chemical potential energy and electrical energy in a battery?

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Chemical potential energy in a battery is transformed into electrical energy when the battery powers a device.

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NGSS.HS-PS3-2

Front

True or False: Kinetic Energy is the energy of motion.

Back

True.

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NGSS.HS-PS3-2

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True or False: Newton's Third Law states that for every action there is an equal and opposite reaction.

Back

True.

Tags

NGSS.MS-PS2-1

Front

What is the formula for calculating kinetic energy?

Back

KE = 1/2 mv² (Kinetic Energy = 1/2 x mass x velocity squared).

Tags

NGSS.MS-PS3-1