year 9 energy

Front

Which energy store is energy usefully transferred to in a blender?

Back

Kinetic store of the blades

Front

What happens to the kinetic energy store of a lorry as it slows down?

Back

It decreases as energy is transferred to other stores.

Front

If a moving object doubles its speed, does it double the energy in its kinetic store?

Back

False

Front

When an object falls from a height, the maximum energy transferred to the kinetic store is equal to...

Back

the energy transferred from its gravitational store

Front

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?

Back

The PE decreases while the KE increases

Front

What is the unit of Potential Energy?

Back

J, Joules

Front

If the Total Mechanical Energy is 50J and Potential Energy is 40 J, what is the Kinetic Energy?

Back

10 J

Front

What is the v in this equation? Choose the one with the CORRECT unit! Options: volume (m³), velocity (m/s), velocity (m/s²), volume (v)

Back

velocity (m/s)

Front

What is the g? Choose the one with the correct unit! Options: mass (kg), gravity (m/s), gravity (m/s²), grams (g)

Back

gravity (m/s²)

Front

As energy transformations occur within a system, the total energy of the system ___?

Back

remains constant