Nothing Special   »   [go: up one dir, main page]
Scribd Logo
Upload

Welcome to Scribd!

  • 100 views

    Potential Energy Lab

    Uploaded by

    David Dino
    1) The document discusses gravitational potential energy (GPE) and how it relates to an object's height and mass. 2) The Gizmo simulation explores how an object's GPE increases as its height increases, and how objects with greater mass have higher GPE at the same height compared to lighter objects. 3) Key factors that affect an object's GPE are its height above the ground and its weight, which depends on its mass. The greater the height or mass, the higher the object's GPE.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Potential Energy Lab

    Uploaded by

    David Dino
    100 views3 pages
    1) The document discusses gravitational potential energy (GPE) and how it relates to an object's height and mass. 2) The Gizmo simulation explores how an object's GPE increases as its height increases, and how objects with greater mass have higher GPE at the same height compared to lighter objects. 3) Key factors that affect an object's GPE are its height above the ground and its weight, which depends on its mass. The greater the height or mass, the higher the object's GPE.

    Original Description:

    Copyright

    © © All Rights Reserved

    Available Formats

    PDF, TXT or read online from Scribd

    Did you find this document useful?

    Is this content inappropriate?

    1) The document discusses gravitational potential energy (GPE) and how it relates to an object's height and mass. 2) The Gizmo simulation explores how an object's GPE increases as its height increases, and how objects with greater mass have higher GPE at the same height compared to lighter objects. 3) Key factors that affect an object's GPE are its height above the ground and its weight, which depends on its mass. The greater the height or mass, the higher the object's GPE.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    100 views3 pages

    Potential Energy Lab

    Uploaded by

    David Dino
    1) The document discusses gravitational potential energy (GPE) and how it relates to an object's height and mass. 2) The Gizmo simulation explores how an object's GPE increases as its height increases, and how objects with greater mass have higher GPE at the same height compared to lighter objects. 3) Key factors that affect an object's GPE are its height above the ground and its weight, which depends on its mass. The greater the height or mass, the higher the object's GPE.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 3

    Name: David Alcantar__________________ Date: 1/8/21____________

    Student Exploration: Potential Energy on Shelves

    Vocabulary: gravitational potential energy, kinetic energy, potential energy, weight, work

    Prior Knowledge Questions (Do these BEFORE using the Gizmo .)

    1. Look at divers A and B in the picture at left.


    Which diver had to put the most effort into
    climbing to the top of his board? Explain.

    A because he has to go up higher___________

    _______________________________________

    2. Which diver do you think will make the biggest

    splash? Explain. A because he Is up higher and

    Going down will make a bigger splash than b

    _______________________________________

    Gizmo Warm-up
    It takes energy to climb up to the top of a diving board, and of
    course a diver that leaps off the board and makes a big splash in
    the water also has a lot of energy. But how much energy does a
    diver have while he is standing at the top of the diving board?

    Even at the top of the board, the diver has energy—a type of
    energy called potential energy. Potential energy is the energy an
    object has because of its position or shape. Using the Potential
    Energy on Shelves Gizmo, you will discover how gravity gives
    objects potential energy because of their position above the floor.

    1. Which object on the SIMULATION pane most likely has the least potential energy? Why?

    The ball because it is at the bottom____________________________________________

    2. Click on the TABLE tab. The potential energy (PE) of each object is given in joules (J).
    List the objects in order from lowest to highest potential energies.

    The list is ball, paper and paper clips from lowest to highest _____________________

    2019
    Activity A: Get the Gizmo ready:
    Factors affecting  Select the BAR CHART tab and turn on Show
    GPE numerical values.

    Introduction: Because gravity pulls objects down to Earth’s surface, objects lifted above
    Earth’s surface have a type of potential energy called gravitational potential energy, or GPE.

    Question: What factors affect how much gravitational potential energy an object has?

    1. Identify: Circle the factors below that you think affect an object’s potential energy.

    mass vertical position velocity horizontal position

    2. Observe: Drag the ball to the 1-m shelf on the SIMULATION pane.

    A. What is the ball’s potential energy (PE)? 0.98________

    B. Move the ball to the 2-m shelf. What is its potential energy now? 1.96________

    C. What do you think the ball’s potential energy will be on the 3-m shelf? The 4-m shelf?

    PE on 3-m shelf: 2.94_______ PE on 4-m shelf: 3.92___________

    Use the Gizmo to check your answers. (Click the control on the bar graph to zoom out.)

    3. Summarize: What is the relationship between an object’s height above the ground and its

    gravitational potential energy? That the higher it gets the more energy there is_________

    4. Describe: Move the ball from side to side (left to right) while trying to keep it at the same
    height. How does changing the horizontal position of the ball affect its potential energy?
    That it stays the same no matter where unless it is height
    _________________________________________________________________________

    5. Infer: Place the ball and the paper on the same shelf.

    A. Which object has more potential energy? The ball_______________________

    B. Why do you think their potential energies are different? Because of their weight
    difference or mass because is lighter than the other
    ___________________________________________________________________

    6. Identify: What two factors affect how much gravitational potential energy an object has?

    That is height and weight _____________________________________________

    2019
    Activity B: Get the Gizmo ready:
    Calculating GPE  You will need a calculator to complete this activity.

    Introduction: An object’s gravitational potential energy depends on two factors: its height (h)
    and its weight (w). The equation for gravitational potential energy (GPE) is:

    GPE = w  h

    Goal: Use the gravitational potential energy equation to determine the weight, mass, and
    potential energy of various objects.

    1. Record: Position all three objects on the 1-m shelf and fill in the third column of the table.

    Object Height (m) GPE (J or N•m) Weight (N)


    Ball 1m 3.87 3.95
    Clips 1m 1.49 3.82
    Paper 1m 0.32 4.06

    2. Calculate: For each object, substitute the values you know into the gravitational potential
    energy equation to solve for weight. Record each object’s weight in the fourth column.

    3. Predict: Suppose the clips were placed on the 5-m shelf. What would their gravitational

    potential energy be? (Show your work.) 4.48 GPE_____________________

    Use the Gizmo to check your answer.

    4. Calculate: An object’s weight is determined by its mass (m) and the acceleration due to
    gravity (g) affecting that object: w = mg. On Earth, g = 9.8 m/s2.

    A. What are the masses (in kilograms) of the three objects on the Gizmo? (Note: 1 N =
    1 kg  m/s2)

    Ball: 19.6 Clips: 2.65__ Paper: 35.67_

    B. Suppose a 4,000-kg elephant is hoisted 20 m above Earth’s surface. What will the
    elephant’s gravitational potential energy be? (Show your work in the space below.)

    80,000 GPE_______________________

    2019

    You might also like