P1 Equation For Energy Flashcards
1
Q
Gravitational potential energy 🚼🚼
A
Mass x gravity x change in height
2
Q
Kinetic energy
A
1/2 x mass x velocity^2
3
Q
Elastic potential
A
1/2 x spring constant x extention^2
4
Q
Work done
A
Work done = force x distance
5
Q
Power
A
Work done
__________
Time taken
6
Q
Energy effeciency
A
Useful energy
————— x 100
Total energy
7
Q
Power efficiency
A
Use power out
————– x 100
Total power in
8
Q
Velocity using the kinetic energy rearranged
A
2 x energy
———– ⬅️ all squared rooted
Mass
