Newton's Laws and Kinetic Energy: Exploring Motion and Collision

What does Newton's Third Law of Motion state?

• a. An object at rest stays at rest unless acted upon by a force.

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

• c. The force on an object is equal to its mass times acceleration.

• d. Energy cannot be created or destroyed.

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How do you calculate velocity?

• a. mass / distance = velocity

• b. mass / time = velocity

• c. time / height = velocity

• d. distance / time = velocity

If a car collides with a truck, how does Newton's Third Law apply?

• a. The car exerts no force on the truck.

• b. The truck exerts more force on the car.

• c. The car and truck exert equal and opposite forces on each other.

• d. The forces cancel out completely.

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Which factor most directly affects an object's kinetic energy?

• a. Color of the object

• b. Shape of the object

• c. Mass and speed of the object

• d. Material of the object

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How is kinetic energy calculated?

• KE=1/2mv^2

• KE=ma

• KE=1/2mv

• KE=m^2v

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A small ball and a large ball are both rolling down a hill at the same speed. The small ball has a mass of 11 kg, while the large ball has a mass of 55 kg. Which statement is true regarding their kinetic energy?

• A) The small ball has more kinetic energy than the large ball.

• B) The small ball and the large ball have the same kinetic energy.

• C) The large ball has more kinetic energy than the small ball.

• D) The kinetic energy of both balls cannot be determined without knowing the speed.

Emilie Du Châtelet is known for her work in which field?

• a. Chemistry

• b. Physics

• c. Biology

• d. Astronomy

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What was one of Emilie Du Châtelet's notable contributions to science?

• a. Developing the periodic table

• b. Translating Newton's Principia into French

• c. Discovering the electron

• d. Formulating the laws of planetary motion

Which graph would best represent the relationship between kinetic energy and the mass of an object?

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If two objects of different masses collide, which statement is true about their motion post-collision according to Newton's Third Law?

• a. Only the lighter object moves.

• b. Only the heavier object moves.

• c. Both objects exert the same force on each other.

• d. Both objects come to a complete stop.

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