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Circular Motion. Free Fall. Newton’s Laws. Projectile Motion. Misc. 1pt. 1 pt. 1 pt. 1pt. 1 pt. 2 pt. 2 pt. 2pt. 2pt. 2 pt. 3 pt. 3 pt. 3 pt. 3 pt. 3 pt. 4 pt. 4 pt. 4pt. 4 pt. 4pt. 5pt. 5 pt. 5 pt. 5 pt. 5 pt. “Centripetal” Acceleration means…?. Answer.

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Circular

Motion

Free

Fall

Newton’s

Laws

Projectile

Motion

Misc.

1pt

1 pt

1 pt

1pt

1 pt

2 pt

2 pt

2pt

2pt

2 pt

3 pt

3 pt

3 pt

3 pt

3 pt

4 pt

4 pt

4pt

4 pt

4pt

5pt

5 pt

5 pt

5 pt

5 pt


“Centripetal” Acceleration means…?

Answer


Centripetal acceleration means…?

“center-seeking”


All circular motion has acceleration directed towards…?

Answer


All circular motion has acceleration directed towards…?

The center of motion


The acceleration of an object in circular motion does not depend on…?

Answer


The acceleration of an object in circular motion does not depend on…?

mass


All objects in circular motion move faster on the edge of the circle or in the middle?

Answer


All objects in circular motion move faster on the edge of the circle or in the middle?

The edge


The equation for centripetal force is just which equation re-written?

Answer


The equation for centripetal force is just which equation re-written?

Newton’s Second Law


This is the only force acting on objects in freefall?

Answer


This is the only force acting on objects in freefall?

Gravity


Freefall is the same as floating. T or F.

Answer


Freefall is the same as floating. T or F.

False.


Astronauts in space are freefalling constantly. T or F.

Answer


Astronauts in space are freefalling constantly. T or F.

True


Weightlessness is another form of freefall.

Answer


Weightlessness is another form of freefall.

True.


All objects in freefall have the same speed. T or F.

Answer


All objects in freefall have the same speed. T or F.

It depends on if there is air resistance or not.


In 10 words or less, list the three laws of motion.

Answer


In 10 words or less, list the three laws of motion.

1st: objects in motion, stay in motion, etc.


Inertia is a property of mass. T or F.

Answer


Inertia is a property of mass. T or F.

True.


The equation for weight is a rearranged form of Newton’s First Law.

Answer


The equation for weight is a rearranged form of Newton’s First Law.

No, 2nd Law.


Daily Double


Explain Newton’s 2nd Law in words.

Answer


Explain Newton’s 2nd Law in words.

A net force on a mass causes and acceleration.


The recoil of gun is explained by Newton’s 1st Law. T or F.

Answer


The recoil of gun is explained by Newton’s 1st Law. T or F.

F, Newton’s 3rd Law.


The vertical speed of a projectile never changes.

Answer


The vertical speed of a projectile never changes.

False, it is always accelerating.


What is the equation for the horizontal component of a projectile?

Answer


What is the equation for the horizontal component of a projectile?

Vx = v0 cosθ


The shape of the trajectory of a projectile is a…?

Answer


The shape of the trajectory of a projectile is a…?

Parabola


What is the definition of a projectile?

Answer


What is the definition of a projectile?

Any object that is kicked, shot, or thrown and acted upon by gravity.


What is the relationship between vertical velocity and horizontal velocity of a projectile?

Answer


What is the relationship between vertical velocity and horizontal velocity of a projectile?

They are independent of each other


Which is bigger: a mile or a kilometer?

Answer


Which is bigger: a mile or a kilometer?

A kilometer


What charge does a proton have?

Answer


What charge does a proton have?

Positive


Why is the sky blue?

Answer


Why is the sky blue?

Because of the diffraction of sunlight through the atmosphere.


What element do all living things have in common?

Answer


What element do all living things have in common?

Carbon


What is the difference between speed and velocity?

Answer


What is the difference between speed and velocity?

Velocity is speed in a particular direction


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