📚 Part 1: Multiple Choice

1. What is energy?

The ability to do work

A type of force

The speed of an object

The weight of an object

2. Which of the following is an example of kinetic energy?

A book sitting on a shelf

A stretched rubber band

A moving car

Food stored in your body

3. Gravitational potential energy depends on which factors? (Select all that apply)

Mass of the object

Height above ground

Speed of the object

Gravity

4. The formula for kinetic energy is:

KE = mgh

KE = ½ mv²

KE = mv

KE = m + v

✏️ Part 2: Short Answers

5. Define potential energy and give two examples of different forms of potential energy.

6. Explain what happens to energy when a ball is dropped from a height. Describe the energy transfers that occur.

7. Complete the following energy transfer chains:

a) Electric kettle: Electrical energy → _____________ energy → _____________ energy

b) Guitar string: _____________ energy → _____________ energy → _____________ energy

🧮 Part 3: Calculations

8. Calculate the gravitational potential energy of a 2 kg book placed on a shelf 3 metres high. (Use g = 10 m/s²)

Formula: GPE = mgh

9. A 50 kg student is running at 4 m/s. Calculate their kinetic energy.

Formula: KE = ½ mv²

10. A 1500 kg car has 75,000 J of kinetic energy. Calculate its velocity.

Rearranged formula: v = √(2KE/m)

Energy Concepts Test Prep

Energy Concepts Test Prep

📚 Part 1: Multiple Choice

✏️ Part 2: Short Answers

🧮 Part 3: Calculations

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