Newton's 1st and 3rd Law Review Quiz

Balanced or unbalanced?

• balanced
• unbalanced

Tags

CCSS.6.NS.C.5

After a cannonball 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. 

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

If I slowly roll a ball down the hallway, why does it eventually stop?

• Because of Newton's First Law

• An external unbalanced force acts on it.

• Inertia

• It wouldn't stop, it would keep going until it hits a wall.

You are riding on a rollercoaster and the ride is nearing its end. As the ride car pulls into the start/finish area, the cruel conductor suddenly engages the brakes. What will your body do and WHY?

• Move forward because you are at rest and want to remain at rest

• Move forward because you are in motion and want to stay in motion

• Move backward because you are in motion and want to stay in motion

• Move backward because you are at rest and want to remain at rest

Tags

NGSS.MS-PS2-2

You are at an amusement park at the top of a drop tower. You hear a couple of clicks and then you plummet (accelerate) towards the ground and your body suddenly moves off the seat when you start to descend. Why does this occur?

• Magic.

• Gravity causes your body to move upward.

• You are in motion and want to stay in motion.

• Your are at rest and wish to remain at rest.

A leftward force is applied to a crate to push it across the floor at a constant speed. Which is the correct force diagram?

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• 
• 
• 

Tags

NGSS.HS-PS2-1

A rightward force is applied to a dresser to accelerate it to the right across the bedroom floor.

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• 
• 

Tags

NGSS.MS-PS2-2

A hockey puck glides to the right across the ice at a constant speed.

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• 
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• 

Tags

NGSS.MS-PS2-2

A downward-moving skydiver who has just opened the parachute is slowing down.

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• 
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• 

Tags

NGSS.MS-PS2-2

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Which way is the object moving?

• it's either not moving or moving at a constant speed due to balanced forces

• to the right

• to the bottom

• up

Tags

NGSS.MS-PS3-1