اختبار الكتروني درس Energy Transformations

1
The mechanical energy of the ball of the pendulum at the highest point equals..........
2
When an object is thrown upwards,its..........
3
In the simple pendulum,the.
4
The changes of energy in the pendulum are similar to those occur in......
5
Energy is neither created nor destroyed but it can be transformed into another form this law is known as law of.........
6
In the car engine......
7
The motor converts the electric energy into ........energy
8
The electric energy is converted into kinetic energy in......
9
The potential energy of pendulum=its mechanical energy-its kinetic
10
The simple cell consists of a sugar solution dipped in it two similar metals