1.
What is the SI unit of force?
2.
Which instrument measures electric current?
3.
What is the SI unit of power?
4.
Why do objects fall toward Earth?
5.
What is the boiling point of water at normal pressure?
1 out of 2
6.
Which mirror is used as a rear-view mirror in vehicles?
7.
Who discovered gravity?
8.
Which energy is stored in a stretched spring?
9.
Unit of electrical resistance is:
10.
Which device converts electrical energy into mechanical energy?
2 out of 2