Jeopardy Ch. 4 Misc. Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200

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Presentation transcript:

Jeopardy Ch. 4 Misc. Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200 Newton’s Laws Forces Ch. 4 Definitions F = ma Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200 Q $200 Q $200 Q $200 Q $300 Q $300 Q $300 Q $300 Q $300 Q $400 Q $400 Q $400 Q $400 Q $400 Q $500 Q $500 Q $500 Q $500 Q $500 Final Jeopardy

$100 Question from H1 An object that experiences a push or a pull has a(n) __________ exerted on it.

$100 Answer from H1 A force

$200 Question from H1 The vector sum of all the forces on an object is called the __________ force.

$200 Answer from H1 Net force

$300 Question from H1 The force exerted by a fluid on an object moving through the fluid is called the __________.

$300 Answer from H1 Drag force

$400 Question from H1 The contact force exerted by a surface on an object is called _____

$400 Answer from H1 Normal force

$500 Question from H1 The unit that any force is measured in is called _____.

$500 Answer from H1 newtons

$100 Question from H2 A 15 N falling object encounters 5 N of air resistance. The magnitude of the net force on the object is ______.

$100 Answer from H2 10 N down

$200 Question from H2 A girl pulls on a 10 kg wagon with an acceleration of 2 m/s2. What is the net force exerted on the wagon?

$200 Answer from H2 20 N

$300 Question from H2 If a table had a mass of 25 kg, and F1 = +10.0 N and F2 = - 20.0 N,what would the acceleration be?

$300 Answer from H2 -.4 m/s2

$400 Question from H2 The mass of an object that weighs 19.6 N on a spring scale is _____.

$400 Answer from H2 2 kg or (1.96 N if you used 10 m/s2)

$500 Question from H2 The net force of an object that has Fx = +3 N and Fy = +4 N is _____.

$500 Answer from H2 5 N north east

$100 Question from H3 When you paddle a canoe, it goes forward. Which law?

$100 Answer from H3 3rd

$200 Question from H3 After you start your motorcycle, giving it more gas makes it go faster. Which law?

$200 Answer from H3 2nd

$300 Question from H3 As an ice skater pushes harder with her leg muscles, she begins to move faster. Which law?

$300 Answer from H3 2nd

$400 Question from H3 When you are in a car, and the car turns a sharp corner, you feel yourself sliding across your seat in the direction of the turn. Which law?

$400 Answer from H3 1st

$500 Question from H3 Newton’s 1st law can also be called the law of this?

$500 Answer from H3 Inertia

$100 Question from H4 Compared to its weight on earth, a 10-kg object on the moon will weigh ____.

$100 Answer from H4 less

$200 Question from H4 A book weighs 4 N. When held at rest in your hands, the net force on the book is:

$200 Answer from H4 0 newtons

$300 Question from H4 A girl pushes on the floor with 50 N of force. How much force does the floor push on her?

$300 Answer from H4 50 N upwards

$400 Question from H4 The net force on a 20 N object that has reached its terminal velocity is:

$400 Answer from H4 0 Newtons

$500 Question from H4 Suppose a cart is being moved by a force. Suddenly a load is dumped into the cart so that the cart’s mass triples, what happens to the cart’s acceleration?

$500 Answer from H4 It goes down by 1/3

$100 Question from H5 The law of inertia applies to ______________. a. moving objects. b. objects at rest. c. both moving and nonmoving objects

$100 Answer from H5 Answer C

$200 Question from H5 Which as more mass, 1 kg of feathers or 1 Kg of rocks?

$200 Answer from H5 They have the same mass

$300 Question from H5 An unfortunate bug splatters against the windshield of a moving car. Compared to the force of the car on the bug, the force of the bug on the car is _________________.

$300 Answer from H5 The same

$400 Question from H5 After a cannon ball is fired into frictionless space, the amount of force needed to keep it going equals _______.

$400 Answer from H5 0 Newtons

$500 Question from H5 An object is in equilibrium when _______.

$500 Answer from H5 The net force on it is 0 Newtons

Final Jeopardy Explain the forces acting on a parachutist from the time they jump out of their airplane, reach terminal velocity, then open their chute and reach terminal velocity again.

Final Jeopardy Answer Use your handout of bronco bob to help answer this question.