Physics Homework 14.12.24 Flashcards
Energy 2
State the standard units for energy.
Joules (J)
Describe the change in the elastic potential energy store as the extension of an object decreases.
It decreases.
Describe the change in the thermal energy store as the temperature of an object increases.
It increases.
Describe the change in the kinetic energy store as the speed of an object decreases.
It decreases.
State the three variables that the size of the gravitational potential energy store depends on.
Mass, gravitational field strength, and height.
Name the store of energy associated with changes in speed.
The kinetic energy store.
Name the store of energy associated with changes in temperature.
The thermal energy store.
Name the store of energy associated with batteries.
The chemical energy store.
State the two variables that the size of the kinetic energy store depends on.
Mass and speed.
State the standard units for mass.
Kilograms (kg)
Name the store of energy associated with fuels.
The chemical energy store.
Describe the change in the chemical energy store as fuel is burned.
It decreases.
Name the four transfers of energy.
Electrical, mechanical, radiation and heating.
State the standards units for spring constant.
Newtons per metre (N/m)
Describe the change in the gravitational potential energy store as the height of an object decreases.
It decreases.
