JeopardyForce Balanced Friction Gravity Motion

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Final Jeopardy

$100 Question from H1

What is the SI unit for force?

$100 Answer from H1

Newton's

$200 Question from H1

The strength and direction of the individual forces determine what?

$200 Answer from H1

Net Force

$300 Question from H1

How is force described?

$300 Answer from H1

By it's strength and direction

$400 Question from H1

How do you combine forces acting in opposite directions

$400 Answer from H1

Subtract the smaller force from the larger force

$500 Question from H1

What does net force determine?

$500 Answer from H1

An objects motion and direction

$100 Question from H2

What is the net force when it is balanced?

$100 Answer from H2

Zero

$200 Question from H2

Unbalanced forces acting on an object willcause what?

$200 Answer from H2

An object to start moving, stop moving orchange direction

$300 Question from H2

You exert a force on an object of 150 N west and a friend exerts a force of 25 N east, what is the net force?

$300 Answer from H2

125 N west

$400 Question from H2

Give me an example of balanced forces acting on an object.

$400 Answer from H2

Answers will vary

$500 Question from H2

When showing forces on a diagram, larger arrows mean what?

$500 Answer from H2

A larger force is being exerted

$100 Question from H3

In the sticky sneakers lab we were testing for what force?

$100 Answer from H3

friction

$200 Question from H3

How does direction of friction compare to direction of motion?

$200 Answer from H3

It is acting in the opposite direction

$300 Question from H3

The strength of the force of friction dependson what 2 factors?

$300 Answer from H3

How hard the surfaces push together andthe types of surfaces

$400 Question from H3

What are 2 ways I can decrease friction a sled experiences?

$400 Answer from H3

Wax the sled or change the mass on the sled

$500 Question from H3

What are the 4 types of friction?

$500 Answer from H3

Static, sliding, rolling, fluid

$100 Question from H4

What is weight?

$100 Answer from H4

A measure of the force of gravity on an object

$200 Question from H4

In free fall is the force of gravity balanced out by another force?

$200 Answer from H4

No, gravity is the only force acting on theobject

$300 Question from H4

What is the force of gravity at or near theEarth's surface?

$300 Answer from H4

9.8 m/s²

$400 Question from H4

What are 2 forces that affect gravity?

$400 Answer from H4

Mass of the objects and distance between them

$500 Question from H4

What is the difference between mass and weight?

$500 Answer from H4

Weight changes due to the force of gravitymass does not

$100 Question from H5

What is motion?

$100 Answer from H5

An object is in motion if its distance from a reference point is changing

$200 Question from H5

What kind of force changes an objectsmotion?

$200 Answer from H5

An unbalanced force

$300 Question from H5

Air resistance is what kind of friction?

$300 Answer from H5

Fluid friction

$400 Question from H5

What is the greatest velocity a falling objectcan reach called?

$400 Answer from H5

Terminal velocity

$500 Question from H5

If you know the mass of an object in kg howdo you determine it's weight on Earth in newtons.

$500 Answer from H5

Multiply it's mass in kg by the measurement ofEarth' gravity(9.8 m/s²)

Final Jeopardy

If you drop a ball, is it moving faster when itleaves your hand or when it is just about tohit the ground?

Final Jeopardy Answer

Near the ground