Physics Jeopardy Review for the Mechanical Equilibrium Test

Free Body Diagrams Forces Vectors/Sc alars Equilibrium? Miscellaneous FJ

Free Body Diagrams 100 A car is driving at a constant speed down the freeway. Draw a free body diagram. Answer

Free Body Diagrams 200Free Body Diagrams 200 Identify all forces acting on this Hover disc as it moves across the table at a constant speed. Answer

Free Body Diagrams 300Free Body Diagrams 300 A person is pushing a hockey puck across ice at a constant speed. What force vector is missing from the diagram? Answer Direction of Travel

Free Body Diagrams 400Free Body Diagrams 400 A roosterdog is accelerating as he is running away from a roosterdog catcher. Draw an accurate free body diagram of the roosterdog. Answer

Free Body Diagrams 500Free Body Diagrams 500 If the scaffolding weighs 600 N and the paint bucket weights 200 N, how much does Burl weigh? Answer

Forces 100 A 20-N force and a 35-N force act on an object in opposite directions. What is the net force on the object? Answer

Forces 200 What is the minimum resultant possible when adding a 15-N force to a 25-N force? Answer

Forces 300 The weight of a buffalo can be represented by a vector that acts: a. Perpendicular to the ground below the buffalo b. Parallel to the ground c. Straight down d. Weight is not a vector Answer

Forces 400 A dictionary (mass 1.0 kilogram) lying on a stationary table exerts a force of 9.8 newtons on the table. The force exerted on the dictionary by the table is how many newtons? Answer

Forces 500 What is the resultant vector that describes the overall force on Pikachu? Answer

Vectors/Scalars 100 What does a vector quantity have that a scalar quantity does not? Answer

Vectors/Scalars 200Vectors/Scalars 200 Name two examples of vectors and two examples of scalars. Answer

Vectors/Scalars 300Vectors/Scalars 300 Forces in a diagram are represented by the following scale: 1 centimeter equals 5 newtons. To represent a force of 20 newtons, the length of an arrow drawn should be how many centimeters? Answer

Vectors/Scalars 400Vectors/Scalars 400 The diagram below represents a force acting at point P. Which of the following pair of forces could represent the x and y components of this force? Answer

Vectors/Scalars 500Vectors/Scalars 500 If I have a 5 N force acting east on an object and a 12 N force acting north on the same object, what is the resultant force on that object? Answer

Equilibrium? 100 If an object is moving at a constant velocity, what type of equilibrium is it in? Answer

Equilibrium? 200Equilibrium? 200 Answer Assuming Nellie weighs 400 newtons, what is the reading on each of these two scales?

Equilibrium? 300Equilibrium? 300 Danny holds a rooster at rest in his outstretched hand. The force he applies to the rooster is a. equal to the weight of the rooster b. is slightly less than the weight of the rooster c. is slightly more than the weight of the rooster d. is zero, until he drops the rooster Answer

Equilibrium? 400Equilibrium? 400 You weigh 300 newtons. When you stand on two bathroom scales, one foot on each scale with weight evenly distributed, how much will each scale read? Answer

Equilibrium? 500Equilibrium? 500 Is Mewtwo in equilibrium? If not, in which general direction will he accelerate when the following forces are applied? Answer

Miscellaneous 100 What are the horizontal and vertical pieces of a vector called? Answer

Miscellaneous 200Miscellaneous 200 What is the overall distance traveled by the clown? Answer

Miscellaneous 300Miscellaneous 300 Nellie is hanging from the rope as shown. Which side of the rope is more likely to break? A. The Left B. The Right C. 50/50 Chance of Either One Answer

Miscellaneous 400Miscellaneous 400 What is the overall displacement of the clown? Answer

Miscellaneous 500Miscellaneous 500 If the weight of the iron block is 500 N, what is the tension in the rope pulling on the crate? Answer

Free Body Diagrams 100 Game Board Direction of Travel

Free Body Diagrams 200Free Body Diagrams 200 Game Board

Free Body Diagrams 300Free Body Diagrams 300 Game Board Direction of Travel

Free Body Diagrams 400Free Body Diagrams 400 Game Board Direction of Travel

Free Body Diagrams 500Free Body Diagrams 500 Game Board Burl weighs 400 N because everything in this system is balanced.

Forces N Game Board

Forces N Game Board

Forces 300 C. (Weight always acts straight down) Game Board

Forces N (since we’re in equilibrium) Game Board

Forces 500 Game Board 12 N north

Vectors/Scalars 100 Game BoardDirection

Vectors/Scalars 200Vectors/Scalars 200 Game BoardVectors: Velocity & Force Scalars: Time & Temperature

Vectors/Scalars 300Vectors/Scalars 300 Game Board 4 cm

Vectors/Scalars 400Vectors/Scalars 400 Game Board

Vectors/Scalars 500Vectors/Scalars 500 Game Board

Equilibrium? 100 Game Board Dynamic Equilibrium

Equilibrium? 200Equilibrium? 200 Game Board 400 N each

Equilibrium? 300Equilibrium? 300 Game Board A. Equal to the weight of the rooster

Equilibrium? 400Equilibrium? 400 Game Board Each scale reads half your weight, or 150 N

Equilibrium? 500Equilibrium? 500 Game Board No, he will accelerate southeast

Miscellaneous 100 Components Game Board

Miscellaneous 200 Game Board 70 meters

Miscellaneous 300 Game Board The right side is more likely to break (there is more tension on the right).

Miscellaneous meters east Game Board

Miscellaneous 500 Game Board 500 N

Final Jeopardy Category Rapid fire true and false. You need to get at least 4 of these right to earn back your wager.

1. Speed is a vector quantity. 2. An object in dynamic equilibrium is accelerating constantly. 3. A vector acting at an angle can be represented by two component vectors. 4. The net force is a combination of all forces that act on an object. 5. The support force is always directed straight up. 6. Equilibrium occurs when at least the left and right forces are balanced. 7. The number of forces that act on an object in free fall (including air resistance) is 1.

1. Speed is a vector quantity. (FALSE) 2. An object in dynamic equilibrium is accelerating constantly. (FALSE) 3. A vector acting at an angle can be represented by two component vectors. (TRUE) 4. The net force is a combination of all forces that act on an object. (TRUE) 5. The support force is always directed straight up. (FALSE) 6. Equilibrium occurs when at least the left and right forces are balanced. (FALSE) 7. The number of forces that act on an object in free fall (including air resistance) is 1. (TRUE)

Good Luck! Don't forget to finish up your note sheet tonight. If you had any trouble with questions in this review game, look at them again tonight.