Question

fill in the blanks

1. Straw rubbed with a sheet of paper acquires _________.
2. Every object on the earth exerts a force on evry other object, which is known as __________.
3. Atmospheric pressure is the ___________ of air in a column of unit area.
4. The envelop of air all around us is known as the __________.
5. The force of friction always __________ the applied force.
6. Friction caused by the ___________ on the two surfaces is involved.
7. The force required to overcome friction at the instant, an object starts moving from rest is a measure of __________.
8. The reading on the scale of a spring balance gives the __________ of the force.
9. __________ are the substances which reduce the friction.
10. _________ is used between moving parts to reduce the friction.​

Answer 1

Answer:

can you say which subject it is??