Newton's Laws of Motion

According to Newton's 3rd Law of Motion, what will happen to the back of the skateboard when the person pushes down on the front of the skateboard?

• A skateboard will propel the person forward

• The skateboard will move sideways

• The skateboard will move backward

• The skateboard will move upward

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Isaac Newton proposed three laws of motion. Which one of the following statements best describes why a person goes forward when a car suddenly stops.

• Acceleration is proportional to the net force on an object

• An increasing in force will result in a decrease in acceleration

• The stopping car is an action that results in a person moving forward (reaction)

• An object in motions stays in motion until an unbalanced force acts on it.

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According to Newton's 2nd Law of Motion, what will happen to the object if the pushing force were doubled?

• The acceleration of the object would double

• the acceleration of the object would decrease by 1/2

• The object will stop

• The object's mass will decrease

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Which of the following best explains Newton's 2nd law of motion?

• An object at rest stays at rest unless and unbalanced force acts upon it.

• The acceleration of an object is dependent upon the object's force and mass

• For every action, there is an equal and opposite reaction.

• An object in motion will stay in motion unless an unbalanced force acts on it

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Which of the following terms best explains why a person feels "weightless" at point X in the picture?

• Acceleration

• Friction

• Gravity

• Inertia

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According to Newton's 3rd Law of Motion, how many pigs will be expelled to the right, when one pig is pulled back and released on the left?

• One ball will be expelled to the right

• Two balls will be expelled to the right

• Three balls will be expelled to the right

• There will be no motion

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What would be the mass of an object that has a force of 96 N and an acceleration of 12 m/s²? (F=MA)

• 1152 kg

• 8 kg

• 16 kg

• I don't like Math

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What is the net force of the car in the picture?

• 0 N

• 10 N

• 13 N

• 7 N

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A string with a ball attached to the end is swung in a circular motion. Assuming the string is released at point A, which direction will the ball most likely travel?

• It will follow the path of Z

• It will follow the path of Y

• It will follow the path of X

• It will follow the path of W

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Which one of Newton's Laws best explains why the ball in the picture above will take this path?

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's law of gravity

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