GCSE Physics Unit 2 2.3/6.3 Work and Energy Quiz

What is work a measure of?

• Time

• Energy transferred

• Distance

• Mass

What is the unit of measurement for work?

• Joule

• Newton

• Volt

• Watt

What is the equation for calculating work?

• Work = mass × gravitational field strength × change in height

• Work = spring constant × extension

• Work = mass × velocity²

• Work = force × distance

What is the equation for calculating kinetic energy?

• Kinetic energy = force × distance

• Kinetic energy = mass × velocity²

• Kinetic energy = spring constant × extension

• Kinetic energy = mass × gravitational field strength × change in height

What determines the amount of force required to stretch a spring?

• Mass

• Velocity

• Gravitational field strength

• Spring constant

What causes energy loss in most cases?

• Friction

• Gravity

• Kinetic energy

• Elastic potential energy

What is the equation for gravitational potential energy?

• Gravitational potential energy = spring constant × extension

• Gravitational potential energy = force × distance

• Gravitational potential energy = mass × velocity²

• Gravitational potential energy = mass × gravitational field strength × change in height

What is the area under the force extension graph used to calculate?

• Energy stored in a spring

• Kinetic energy

• Potential energy

• Work done

What is an example of a feature in modern cars to reduce forces in a collision?

• Lighter materials

• Spoilers

• Crumple zones

• Start stop systems

What is the purpose of using lighter materials in cars?

• To reduce the work done by gravity on the car

• To reduce the mass of the car

• To increase the frictional forces on the car

• To increase the mass of the car