Question

Class: VIII
I . Answer any two of the following .
1. How can you differentiate force and force at a distance?
2. Explain Gravitational force by giving a suitable example?
II. Answer the following.
3. What is force? what changes can be produced by a force?
4.Give few examples for sliding fiction?

III. Answer the following.
5. What is electro static force?
6. What is pressure?
IV. choose the correct answer.
7. Hosting a flag is related to ( )
A) PUSH B) PULL C) PUSH AND PULL D) PRESSURE.
8. A Person is pulling water from well . which type of force it is…. ( )
A) Muscular force B) Magnetic force c) Friction Force D) Electro Static force.
9. Which of the following has self adjusting force ( )
A) sliding Fiction B) Static Friction C) Rolling Friction D) Fluid Friction.
10. The change in the length of the spring is …….. to the applied force ( )
A) Indirect proportional B) Equal C) Direct proportional D) none.

11.......... Can reduce the
friction ( )
A)oil
B)water
C)both
D) none
12) fluid friction also known as ( )
A)Dr​

Answer 1

Answer:

pressure is the answer please don't know what I