3.3 Potential Energy

• What is potential energy defined as?

  Stored energy
• What does 'g' represent in the gravitational potential energy formula?

  Gravity acceleration
• In the elastic potential energy formula, \(k\) represents the spring constant
• A stretched rubber band is an example of elastic potential energy.


  True
• The formula for gravitational potential energy is GPE
• Elastic potential energy is stored when an object is compressed.


  True
• What is the formula for elastic potential energy?

  $EPE =$$\frac{1}{2} k \cdot x^{2}$
• What is the cause of gravitational potential energy?

  Height above reference
• Match the type of potential energy with its characteristic:

  Gravitational Potential Energy ↔️ Stored due to height

  Elastic Potential Energy ↔️ Stored in elastic materials
• What does 'h' represent in the gravitational potential energy formula?

  Height
• Match the type of potential energy with its example:

  Gravitational Potential Energy ↔️ Book on a shelf

  Elastic Potential Energy ↔️ Stretched rubber band
• What is the approximate value of 'g' on Earth?

  9.8 m/s²
• What does 'k' represent in the elastic potential energy formula?

  Spring constant
• The formula for elastic potential energy is EPE
• The formula for gravitational potential energy is $GPE =$$mgh$.


  True
• Gravitational potential energy is caused by height above a reference point.

  True
• Match the type of potential energy with its cause:

  Gravitational Potential Energy ↔️ Height above a reference point

  Elastic Potential Energy ↔️ Stretching or compressing an elastic material
• What is the GPE of a 2 kg book on a shelf 1.5 meters above the floor?

  $29.4 \text{ J}$
• The displacement in EPE calculations is measured from the equilibrium position.

  True
• Elastic potential energy is stored when an object is lifted above a reference point.

  False
• Electrical potential energy is stored in an electric field
• Gravitational potential energy is the energy stored due to an object's height above a reference point.


  True
• Match the type of potential energy with its cause:

  Gravitational potential energy ↔️ Height above a reference point

  Elastic potential energy ↔️ Stretching or compressing material
• The Coulomb constant in the electrical potential energy formula is approximately 8.99 x 10^9 N⋅m^2/C^2.
• The formula for gravitational potential energy is GPE
• What is the cause of elastic potential energy?

  Stretching or compression
• The formula for gravitational potential energy is GPE
• The formula for gravitational potential energy is GPE
• Gravitational potential energy depends on the object's mass and height.


  True
• What is the example given for elastic potential energy in the study material?

  Stretched rubber band
• The formula for elastic potential energy is $EPE =$$\frac{1}{2} k \cdot x^{2}$
• The formula for gravitational potential energy is $GPE =$$mgh$
• On Earth, the acceleration due to gravity is approximately $9.8 \text{ m / s}^{2}$
• The spring constant $k$ is a measure of a material's stiffness
• The formula for GPE is $GPE =$$m \cdot g \cdot h$
• Match the type of potential energy with its formula:

  Gravitational Potential Energy ↔️ $GPE =$$mgh$

  Elastic Potential Energy ↔️ $EPE =$$\frac{1}{2}kx^{2}$
• The spring constant in elastic potential energy measures the material's stiffness
• The formula for gravitational potential energy is GPE = mgh.
• Electrical potential energy is stored in an electric field due to the position of charged particles.


  True
• Electrical potential energy is stored in the electric field, similar to how gravitational potential energy is stored due to height.


  True