Newtons 1 and 2

Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?

• first
• second
• third 
• fourth

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NGSS.MS-PS2-1

If a ball of cheese is fired into frictionless space, the amount of force needed to keep it going equals

• twice the force with which it was fired
• the same amount of force with which it was fired
• 1/2 the force with which it was fired
• zero, since no force is requires to keep it moving. 

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which has more Inertia? 

• Truck
• Ant
• A cat
• A skateboard

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NGSS.MS-PS2-2

True of False?
An object's inertia is effected by its mass.

• False
• True

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NGSS.MS-PS2-2

What law of motion does this picture represent?

• Newtons 3rd law
• Newtons 4th law
• Newtons 1st law
• Newtons 2nd law 

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NGSS.MS-PS2-1

What law of motion does this picture represent?

• Newtons 1st law
• law of gravity 
• Newtons 4th law 
• Newtons 2nd law

What law describes what happens if you are riding a skateboard and hit something (like a rock) with the front wheels. 

• Newtons 3rd law
• Newtons 1st law
• Law of gravity 
• Law of movement 

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NGSS.MS-PS2-1

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

• remain in motion.
• eventually come to a stop.
• change its momentum.
• accelerate.

Pushing  a child on a swing is easier than pushing an adult on the same swing. 

• 1st Law 
• 2nd Law

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

When all the forces on an object are equal and opposite, & the net force is zero, that's...

• balanced forces
• unbalanced forces
• terminal velocity
• reaction forces

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NGSS.MS-PS2-2