Newton's Laws of Science

Two skaters begin at rest. Skater 1 has a smaller mass than Skater 2. After they push off each other,...

• Skater 1 experiences a greater change in momentum

• Skater 2 experiences a greater change in momentum

• Skater 1 has a greater speed than Skater 2

• Skater 1 experiences a greater force

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The momentum of an object depends upon the object's ___________&_____________.  

• size and shape

• mass and speed

• mass and veloctiy

• mass and energy

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The equation to calculate momentum is

• p=mv

• p=1/2mv²

• p=mgh

• p=mg

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NGSS.HS-PS2-2

Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?

• car

• bike

• they are equal

• cannot determine using the info provided

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In any collision (crash) the ______ is ALWAYS constant

• Total Momentum

• total speed

• total Velocity

• Energy

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When two objects collide, the P_before is ____________ the P_after.

• more than 

• less than 

• equal to

• unrelated to

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NGSS.HS-PS2-2

What happens to the speed of the wagon as the rain collects inside of it?

• it decreases

• it remains constant

• it increases

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Both students experience the same ____

• force of impact

• time of impact

• change in momentum

• all of the above

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What is the unit for momentum?

• m/sec

• kg/sec

• kg/m

• kg m/sec

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Parkour Peter bends his knees upon landing in order to ____

• reduce his change in momentum

• increase his change in momentum

• increasing his landing time

• increasing his landing force

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NGSS.HS-PS2-1

NGSS.HS-PS2-2