Year 7 Physics Essentials

Forces, Motion, Energy & Simple Machines

Name:

Date:

Class:

Physics illustration showing forces and motion

⚡ Part 1: Multiple Choice

Circle the best answer for each question.

1. Which of the following is a contact force?

Gravity

Magnetism

Friction

Static electricity

2. An object is moving at a constant speed in a straight line. What can we say about the forces acting on it?

There are no forces acting on it

The forces are balanced

The forces are unbalanced

Only gravity is acting on it

3. Which type of energy does a stretched rubber band have?

Kinetic energy

Thermal energy

Elastic potential energy

Chemical energy

4. A ramp used to push a heavy box onto a truck is an example of which simple machine?

Lever

Pulley

Wheel and axle

Inclined plane

5. Select ALL forms of energy from the list below:

Sound energy

Force

Light energy

Heat (thermal) energy

Speed

✏️ Part 2: Short Answer

Answer each question in full sentences where possible.

6. Define force and give two examples of forces you encounter in everyday life.

7. Explain the difference between gravitational potential energy and kinetic energy. Give one example of each.

8. A cyclist is riding along a flat road and stops pedalling. Describe what happens to their motion and explain which force causes this change.

9. Fill in the blanks using the words in the box: [ effort | load | fulcrum | lever ]

A __________________ is a simple machine that has three parts. The pivot point is called the __________________. The force you apply is called the __________________, and the object being moved is called the __________________.

🔢 Part 3: Problem Solving

Show all working in the space provided.

10. A book sits on a shelf 2 metres above the ground. It has a mass of 1.5 kg. Gravity applies a force of 10 N for every 1 kg of mass.
(a) What is the weight force acting on the book?
(b) What type of energy does the book have while sitting on the shelf?

11. Look at the diagram below. Draw and label the three forces acting on a skydiver who has just jumped from a plane and is accelerating downward. Include arrows to show the direction of each force.