Ms Ps2 1

This law states for every action there is an equal and opposite reaction.

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

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This force prevents objects from falling; into whatever they are sitting upon. This force is always perpendicular to the surface.

• Normal Force

• Gravitational Force

• Tension Force

• Friction Force

• Applied Force

This force is created in a given direction, such as a push or a pull.

• Normal Force

• Gravitational Force

• Tension Force

• Friction Force

• Applied Force

A softball is thrown with an acceleration of 4 m/s/s and a mass of 0.5 kilograms. What is the force (Newtons) acting on this softball? (Do Not Include Units)

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What kind of energy is in a moving skateboard?

• Potential

• Kinetic

• Both potential and kinetic energy

• none of the above

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At which point is gravitational potential energy greatest?

• W

• X

• Y

• Z

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When a pendulum swings, at which point is kinetic energy highest?

• 1

• 2

• 3

• 4

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Conservation of energy states that energy cannot be ________ or ________, but can be altered from one form to another.

• created, destroyed

• gravity, force

• heat, created

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How does this solar cooker use light to heat the food?

• The shiny panels reflect light in circular heat waves towards the food.

• The shiny panels reflect light at angles to focus it on the food.

• The shiny panels absorb light to make heat by the food.

• The shiny panels transmit light to direct it towards the food.

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Which energy types are involved with a moving roller coaster?

• gravitational

• kinetic

• sound

• thermal

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