Motion

What is a force?

• a push or pull
• speed or acceleration 
• potential or kinetic energy
• balanced or unbalanced force

Tags

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What is the force that causes everything to be pulled down to the Earth?

• friction
• gravity
• balanced
• unbalanced

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Force is measured in....

• Galileos 
• Newtons
• Di Vincis
• Einsteins 

Tags

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An unbalanced force is when objects move in one direction because the force is greater from that direction.

• true
• false

Tags

NGSS.MS-PS2-2

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

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NGSS.MS-PS2-2

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Tags

NGSS.MS-PS2-1

An automobile you are riding in suddenly stops, why does your body continue to go forward?

• An object in motion stays in motion.

• Gravity pulls your body towards the earth.

• Friction makes your body slow down.

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A car is driven for 3 hours. What else do you need to know to describe this car’s speed?

• the road the car in driven on
• the time of day
• the distance the car is driven
• the number of passengers in the car

What is speed?

• how much an object’s position changes
• how far an object moves
• how long an object moves
• how far an object moves in a certain amount of time

Tags

NGSS.MS-PS3-1

What is the net force?

• 65 N left
• 65 N right
• 35 N left
• 35 N right

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