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Instructions for using this template. Remember this is Jeopardy, so where I have written Answer this is the prompt the students will see, and where I.

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Presentation transcript:

Instructions for using this template. Remember this is Jeopardy, so where I have written “Answer” this is the prompt the students will see, and where I have “Question” should be the student’s response. To enter your questions and answers, click once on the text on the slide, then highlight and just type over what’s there to replace it. If you hit Delete or Backspace, it sometimes makes the text box disappear. When clicking on the slide to move to the next appropriate slide, be sure you see the hand, not the arrow. (If you put your cursor over a text box, it will be an arrow and WILL NOT take you to the right location.)

Choose a category. You will be given the answer. You must give the correct question. Click to begin.

Click here for Final Jeopardy

Centripetal/ Centrifugal forces friction Newton’s Laws 10 Point 20 Points 30 Points 40 Points 50 Points 10 Point 20 Points 30 Points 40 Points 50 Points 30 Points 40 Points 50 Points gravityVocabulary

This is the highest speed reached by a falling object – this occurs when the weight of the falling object is balanced out by the air resistance.

Terminal Velocity

This is the force pulling down on an object due to the force of gravity

Weight

This is he sum total of all forces acting on an object

Net Force

The resistance to a change in motion

inertia

The force exerted on a moving object in a direction up and perpendicular to the motion of the object

Normal force

This is the force that you “feel” when riding “The Whip” at Idlewild that seems to push you out against the seat.

Centrifugal force

What is the amount of centripetal force needed to keep a 10 Kg ball spinning in a circle of radius 1 m at a velocity of 10 m/s?

1000 N

What amount of force is needed to keep a 1000 Kg car moving at a velocity of 20 m/s around a turn of radius 12 m?

33,333.3 N

How much force is needed to keep a 1000 g ball moving at a velocity of 10 m/s around a circle of diameter 20 cm?

10,000 N

What is the maximum speed a ball on a string can be travelling if the ball has a mass of 8 Kg and the force needed to break the string is 150 N when the ball is spinning around a radius of 0.8 m?

3.16 m/s

What are the 2 factors that affect the amount of gravitational attraction between 2 objects?

The masses of the objects & the distance between them

If the gravitational force between two objects is F and the mass of one of the objects is doubled with everything else kept the same; then in terms of F, what is the new gravitational force between the objects?

2F

If the gravitational force between two objects is F and the mass of both of the objects is doubled with everything else kept the same; then in terms of F, what is the new gravitational force between the objects?

4F

If the gravitational force between two objects is F and the mass of both of the objects is doubled as well as the distance between them, then in terms of F, what is the new gravitational force between the objects?

F

What is the acceleration of gravity on the moon if the mass of the moon is 1/6 th that of the Earth?

1.6 m/s 2

What type of friction exists when rubbing your hands together?

Sliding friction

What is the greater, static friction of rolling friction?

Static friction

What is the coefficient of friction for a 50 N cup slid across a table that has 20 N of friction?

0.4

If the coefficient of static friction between a desk & the floor is 0.3 with a Normal force of 200 N, what is the force of static friction needed to overcome to get the object to move?

60 N

A 10 Kg box requires how many N of force to start sliding it across the floor in which the coefficient of friction is 0.25? (Assume gravity = 10 m/s 2 )

25 N

This is Newton’s Law that explains the action/reaction nature of forces.

3 rd Law

This is the law that explains why, when riding a skateboard, if you hit a pebble stopping the board, you continue to move forward.

1 st Law

According to Newton’s 2 nd Law, objects will do this as a result of an unbalanced force?

ACCELERATE

According to Newton’s 2 nd Law, 100 N of force would cause a 10 Kg object to accelerate at a rate of ____?

10 m/s 2

You are launching a bottle rocket of mass 2.5 Kg using 65 N of thrust. If there is 12 N of air resistance acting against it, what is the rate of acceleration of the bottle rocket?

11.4 m/s 2

Make your wager

To 3 decimal places, what is the coefficient of friction in the diagram below?

0.383