Physics Quiz

What is the definition of momentum?

• The product of mass and velocity

• The rate of change of velocity

• The force applied over a distance

• The ability to do work

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NGSS.HS-PS2-2

The law of conservation of momentum states that:

• Momentum is always increasing

• Momentum is transferred but never created or destroyed

• Momentum decreases in closed systems

• Momentum is only conserved when external forces act

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NGSS.HS-PS2-2

What does impulse describe in physics?

• The change in velocity of an object

• The change in momentum caused by a force applied over time

• The total energy in a system

• The product of force and distance

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NGSS.HS-PS2-2

What is a closed system in physics?

• A system where mass and energy are exchanged with the surroundings

• A system where only energy is exchanged with the surroundings

• A system where neither mass nor energy is exchanged with the surroundings

• A system where external forces act

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NGSS.HS-PS3-4

The Impulse-Momentum Theorem relates which two quantities?

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NGSS.HS-PS2-2

What defines a collision in physics?

• The interaction between two objects resulting in an energy transfer

• The deformation of an object under force

• The combination of two objects into one

• The splitting of an object into two parts

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NGSS.HS-PS2-2

What happens in an inelastic collision?

• Objects bounce back without losing kinetic energy

• Objects stick together, and some kinetic energy is lost

• Both objects are destroyed

• Energy is completely conserved

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NGSS.HS-PS2-2

What happens in an elastic collision?

• Objects lose all kinetic energy

• Objects stick together and move as one

• Objects bounce back with no loss of kinetic energy

• Objects slow down but don't stick together

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NGSS.HS-PS2-2

What does Newton’s 3rd Law of Motion state?

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

• An object in motion stays in motion unless acted on by a force

• Force is equal to mass times acceleration

• Energy cannot be created or destroyed

In Newton’s 3rd Law, what is the action force?

• The force that an object exerts on another object

• The force that causes objects to accelerate

• The force that resists motion

• The total energy in a system

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NGSS.MS-PS2-1