Quiz about Science: Matter and Energy - Chapter 3 Test 2

Question 1

In a cartoon world, when a superhero speeds up to catch a villain, what quantity of motion is defined as the product of the superhero's mass and velocity?

Accepted Answer

momentum

Answer

work

Answer

inertia

Answer

power

Question 2

In the cartoon world, which character's ideas about science were followed for nearly two thousand years?

Accepted Answer

Aristotle

Answer

Galileo

Answer

Isaac Newton

Answer

Robert Boyle

Question 3

In the cartoon world, who is the genius scientist character known for discovering the laws of motion and gravitation, often depicted as a wise old owl?

Accepted Answer

Isaac Newton

Answer

Aristotle

Answer

Galileo

Answer

Robert Boyle

Question 4

In a cartoon race, a character named Speedy travels 19 meters in 2.0 seconds. What is Speedy's velocity?

Accepted Answer

9.5 m/s

Answer

17 m/s

Answer

21 m/s

Answer

38 m/s

Question 5

In the cartoon world, when a character pushes a giant boulder up a hill, what is the SI unit used to measure the work done?

Accepted Answer

joule

Answer

ampere

Answer

newton

Answer

watt

Question 6

In many cartoons, characters often use a simple machine to lift heavy objects by pulling a rope over a wheel. What is this simple machine called?

Accepted Answer

pulley

Answer

wheel and axle

Answer

inclined plane

Answer

screw

Question 7

In a cartoon world, a character is trying to push a heavy box up a ramp to reach a platform. The ramp is 3.0 m long and the platform is 1.5 m high. What is the ideal mechanical advantage of the ramp?

Accepted Answer

2.0

Answer

1.5

Answer

3.0

Answer

4.5

Question 8

In a cartoon world, when a character falls from a great height, what is the speed called when they stop accelerating due to air resistance?

Accepted Answer

terminal velocity

Answer

Cavendish velocity

Answer

drag velocity

Answer

free-fall velocity

Question 9

In the world of cartoons, what is any mathematical quantity that has both magnitude and direction, much like how a superhero might fly in a specific direction with a certain speed?

Accepted Answer

vector

Answer

distance

Answer

displacement

Answer

scalar

Question 10

In a cartoon scene, a character is pushing a giant boulder to the left with a force of 35 N, while another character is pushing it to the right with a force of 26 N. What is the net force acting on the boulder?

Accepted Answer

9 N to the left

Answer

61 N to the left

Answer

9 N to the right

Answer

61 N to the right

Question 11

In the cartoon world of Road Runner and Wile E. Coyote, what is the space relative to which Wile E. Coyote's motion is measured when he chases the Road Runner?

Accepted Answer

frame of reference

Answer

free-body diagram

Answer

focal point

Answer

net force

Question 12

In the world of cartoons, the classic adventures of characters like Tom and Jerry or Bugs Bunny are often referred to as ____.

Accepted Answer

classical physics

Answer

modern physics

Answer

quantum physics

Answer

theoretical physics

Question 13

In a cartoon world, when two or more superhero forces combine their powers, the combined effect is called the ____.

Accepted Answer

resultant

Answer

scalar

Answer

vector sum

Answer

magnitude

Question 14

In a cartoon world, imagine a superhero pushing a giant boulder. According to Newton's second law of motion, what equation would describe the relationship between the force the superhero applies, the mass of the boulder, and the acceleration of the boulder?

Accepted Answer

$$F=ma$$

Answer

$$v=\frac{d}{t}$$

Answer

$$F_w=mg$$

Answer

$$W=Fd$$

Question 15

Imagine a cartoon character like Wile E. Coyote falling off a cliff. What equation describes the relationship between the distance he falls and the acceleration due to gravity?

Accepted Answer

$$d=\frac{1}{2}gt^2$$

Answer

$$W=Fd$$

Answer

$$v=\frac{\Delta x}{t}$$

Answer

$$p=mv$$

Question 16

In a cartoon world, a character is trying to lift a heavy anvil. To find out how much force they need to exert, they use a formula related to gravity. Which formula would they use?

Accepted Answer

$$F_w=mg$$

Answer

$$F=ma$$

Answer

$$W=Fd$$

Answer

$$v=\frac{\Delta x}{t}$$

Question 17

In a cartoon race, the Road Runner zooms past Wile E. Coyote. What formula would you use to measure how quickly the Road Runner moves?

Accepted Answer

$$v=\frac{d}{t}$$

Answer

$$p=mv$$

Answer

$$v=\frac{\Delta x}{t}$$

Answer

$$F=ma$$

Question 18

In a cartoon world, imagine a superhero flying through the sky. The superhero's momentum is determined by their mass and velocity. Which of the following equations represents this concept?

Accepted Answer

$$p=mv$$

Answer

$$F_w=mg$$

Answer

$$d=\frac{1}{2}gt^2$$

Answer

$$F=ma$$

Question 19

In a cartoon world, imagine a superhero pushing a giant boulder up a hill. How do we calculate the energy transferred from the superhero to the boulder?

Accepted Answer

$$W=Fd$$

Answer

$$F=ma$$

Answer

$$v=\frac{d}{t}$$

Answer

$$p=mv$$

Question 20

In a cartoon world, when a superhero pushes a giant boulder up a hill, which of the following statements correctly describes the work and energy involved?

Accepted Answer

Work is the transfer of energy from the superhero to the boulder by a force.

Answer

Positive work removes energy from the boulder.

Answer

Negative work transfers energy to the boulder.

Answer

Work is a vector quantity based on the vector of the superhero's force.

Question 21

In a cartoon, when a character pushes against a wall and gets pushed back, which principle is being demonstrated?

Accepted Answer

Newton's third law of motion

Answer

Newton's first law of motion

Answer

Newton's second law of motion

Answer

net force principle

Question 22

In a cartoon world, what principle explains why a character sliding on ice keeps moving until they hit something?

Accepted Answer

Newton's first law of motion

Answer

Newton's second law of motion

Answer

Newton's third law of motion

Answer

net force principle

Question 23

In the cartoon world, when a superhero lifts a heavy object quickly, what is being demonstrated?

Accepted Answer

power

Answer

input

Answer

output

Answer

mechanical advantage

Question 24

In the world of cartoons, what is the term for a measure of how much help a machine provides to a character trying to lift a heavy object?

Accepted Answer

mechanical advantage

Answer

input

Answer

output

Answer

power

Question 25

In the cartoon world, imagine a character trying to move a heavy box up to their treehouse without lifting it straight up. What simple machine might they use to make this task easier?

Accepted Answer

inclined plane

Answer

block and tackle

Answer

pulley

Answer

wheel and axle

Question 26

In the cartoon world, when a character uses a giant screw to build something, what determines how far the screw moves into the material with each turn?

Accepted Answer

distance between two adjacent threads (pitch)

Answer

length of the screw

Answer

circumference of the circle in which the screw turns

Answer

radius of the screw

Question 27

In a cartoon episode, a character moves from one place to another. Which of the following quantities represents this change in the character's position?

Accepted Answer

displacement

Answer

acceleration

Answer

scalar

Answer

velocity

Question 28

In the cartoon world, which device would a character like Wile E. Coyote use to cleverly multiply distance, speed, or force in his contraptions?

Accepted Answer

wheel and axle

Answer

pulley

Answer

screw

Answer

wedge

Question 29

In the cartoon world, what is the force that pulls characters like Wile E. Coyote back to the ground when they run off a cliff?

Accepted Answer

gravitational force

Answer

centrifugal force

Answer

centripetal force

Answer

net force

Question 30

In the world of cartoons, characters often use simple machines to make their tasks easier. Which of the following is a form of assistance that a simple machine can provide to these characters?

Accepted Answer

All of the above are forms of assistance that a simple machine can provide.

Answer

A simple machine can multiply an applied force.

Answer

A simple machine can multiply the distance a force moves something.

Answer

A simple machine can change the direction of a force.

Question 31

In the world of cartoons, how are the different types of levers used by characters like Wile E. Coyote classified?

Accepted Answer

arrangement of the input arm, output arm, and fulcrum

Answer

whether they multiply force or speed

Answer

relative length of the input and output arms

Answer

size of the fulcrum

Question 32

Imagine a cartoon character trying to open a giant jar with a screw-on lid. Match each description with the correct formula: the ideal mechanical advantage of a screw in this scenario.

Accepted Answer

$$IMA=\frac{2\pi r}{P}$$

Answer

$$F_{kf}=\mu_kF_w$$

Answer

$$\eta=\frac{W_o}{W_i}$$

Answer

$$IMA=\frac{d_i}{d_o}$$

Question 33

Imagine a cartoon character trying to slide a heavy box across the floor. Match each description with the correct formula: the magnitude of kinetic friction force that the character needs to overcome.

Accepted Answer

$$F_{kf}=\mu_kF_w$$

Answer

$$\eta=\frac{W_o}{W_i}$$

Answer

$$IMA=\frac{d_i}{d_o}$$

Answer

$$IMA=\frac{2\pi F}{p}$$

Question 34

In a cartoon world, a superhero is trying to save the day by using his super speed to complete tasks quickly. Match each description with the correct formula: the rate at which the superhero does work.

Accepted Answer

$$P=\frac{W}{t}$$

Answer

$$IMA=\frac{2\pi r}{P}$$

Answer

$$F_{sf}=\mu_sF_W$$

Answer

$$IMA=\frac{d_i}{d_o}$$

Question 35

In a cartoon world, imagine a character trying to figure out how efficiently their new gadget turns the energy they put in into useful work. Match each description with the correct formula for this efficiency:

Accepted Answer

$$\eta=\frac{W_o}{W_i}$$

Answer

$$IMA=\frac{d_i}{d_o}$$

Answer

$$IMA=\frac{2\pi r}{P}$$

Answer

$$F_{kf}=\mu_kF_w$$

Question 36

Match each description with the correct formula: the general formula for mechanical advantage under ideal conditions

Accepted Answer

$$IMA=\frac{d_i}{d_o}$$

Answer

$$P=\frac{W}{t}$$

Answer

$$IMA=\frac{w\pi r}{P}$$

Answer

$$\eta=\frac{W_o}{W_i}$$

Question 37

A man needs to move a large rock. He has supplies with which he can make a simple lever. Which of the following lever designs should he choose? Why?

Accepted Answer

fulcrum between input and output with long input arm; multiplies force and changes direction

Accepted Answer

fulcrum at one end with output near it; multiplies force and changes direction

Answer

fulcrum between input and output with long input arm; multiplies force but does not change direction

Answer

fulcrum at one end with output near it; multiplies force but does not change direction

Question 38

Which of the following is a unit of power?

Accepted Answer

watt

Answer

joule

Answer

newton

Answer

pascal

Science: Matter and Energy - Chapter 3 Test 2

55 questions

In a cartoon world, when a superhero speeds up to catch a villain, what quantity of motion is defined as the product of the superhero's mass and velocity?

The quantity of motion defined as the product of mass and velocity is called momentum. It represents how much motion an object has, making 'momentum' the correct choice in this context.

In the cartoon world, which character's ideas about science were followed for nearly two thousand years?

Aristotle's ideas dominated scientific thought for nearly two thousand years, influencing various fields until they were challenged by later scientists like Galileo and Newton. Thus, he is the correct answer.

In the cartoon world, who is the genius scientist character known for discovering the laws of motion and gravitation, often depicted as a wise old owl?

Isaac Newton is the genius scientist known for formulating the laws of motion and universal gravitation. In cartoons, he is often depicted as a wise old owl, symbolizing wisdom and knowledge in science.

In a cartoon race, a character named Speedy travels 19 meters in 2.0 seconds. What is Speedy's velocity?

To find Speedy's velocity, divide the distance traveled by the time taken: 19 meters / 2.0 seconds = 9.5 m/s. Therefore, the correct answer is 9.5 m/s.

In the cartoon world, when a character pushes a giant boulder up a hill, what is the SI unit used to measure the work done?

The work done in physics is measured in joules, which is the SI unit for energy. When a character pushes a boulder up a hill, the energy expended is quantified in joules, making it the correct choice.

In many cartoons, characters often use a simple machine to lift heavy objects by pulling a rope over a wheel. What is this simple machine called?

The simple machine used to lift heavy objects by pulling a rope over a wheel is called a pulley. It allows for easier lifting by changing the direction of the force applied.

In a cartoon world, a character is trying to push a heavy box up a ramp to reach a platform. The ramp is 3.0 m long and the platform is 1.5 m high. What is the ideal mechanical advantage of the ramp?

The ideal mechanical advantage (IMA) of a ramp is calculated as the ratio of the height of the ramp to its length. Here, IMA = height/length = 1.5 m / 3.0 m = 0.5. However, since we consider the effort distance, IMA = length/height = 3.0 m / 1.5 m = 2.0.

In a cartoon world, when a character falls from a great height, what is the speed called when they stop accelerating due to air resistance?

The speed at which a falling character stops accelerating due to air resistance is called terminal velocity. At this point, the force of gravity is balanced by air resistance, resulting in a constant speed.

In the world of cartoons, what is any mathematical quantity that has both magnitude and direction, much like how a superhero might fly in a specific direction with a certain speed?

In cartoons, a mathematical quantity with both magnitude and direction is called a vector. This is similar to a superhero flying with a specific speed in a certain direction, distinguishing it from scalars like distance or displacement.

In a cartoon scene, a character is pushing a giant boulder to the left with a force of 35 N, while another character is pushing it to the right with a force of 26 N. What is the net force acting on the boulder?

To find the net force, subtract the force to the right (26 N) from the force to the left (35 N). This gives 35 N - 26 N = 9 N to the left, making the correct answer 9 N to the left.

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