Science Force/Speed Quiz part 2

What is force?

• The energy in an object

• The mass of an object

• The push or pull on an object

• The speed of an object

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NGSS.MS-PS2-1

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What type of force is caused when one object rubs against another, working in the opposite direction of the main force?

• Tension

• Friction

• Nuclear

• Elastic

Which force is described as being caused by a large body, such as the Earth, and pulls objects toward it with a specific acceleration?

• Electromagnetic

• Gravity

• Tension

• Elastic

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NGSS.MS-PS2-4

What type of force is exerted by a string, cable, or chain on another object?

• Friction

• Gravity

• Tension

• Elastic

What is the primary effect of gravity according to the text?

• It causes time dilation.

• It makes everything fall towards Earth.

• It generates light.

• It creates magnetic fields.

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Who was the scientist who discovered the mathematical formula for gravity?

• Albert Einstein

• Galileo Galilei

• Sir Isaac Newton

• Nikola Tesla

Who formulated the three Laws of Motion?

• Albert Einstein

• Galileo Galilei

• Isaac Newton

• Nikola Tesla

Tags

NGSS.MS-PS2-1

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According to the Second Law of Motion, what will happen to an object in motion if no external forces act on it?

• A) It will stop moving.

• B) It will change direction.

• C) It will continue to move in the same direction and speed.

• D) It will move in random directions.

What is the effect of gravity on a kicked ball?

• A) It pushes the ball upwards.

• B) It has no effect.

• C) It pulls the ball down to the ground.

• D) It propels the ball forward.

Tags

NGSS.MS-PS2-2

What does the Second Law of Motion state about the relationship between the mass of an object and the force needed to accelerate it?

• The greater the mass, the less force it takes to accelerate the object.

• The mass of an object does not affect the force needed to accelerate it.

• The greater the mass, the more force it takes to accelerate the object.

• The mass of an object is inversely proportional to the force needed to accelerate it.

Tags

NGSS.MS-PS2-2