Question

Guru Ramdas English Medium Public School.
Online Annual Exam. 1 Class 6
F.M. 25. Sub:Physics. Time 40min

A). Fill in the blanks :(copy the full sentences) : 10 marks.

1. A force can increase or decrease the ____ or change the ______ of a moving object.

2. Friction occurs when two surfaces in motion are in ____ and it always occurs in ____ direction.

3. On ____ surfaces friction is less and on ____ surfaces friction is more.

4. The force of attraction of the earth is called _______ , while the force of attraction or repulsion by a magnet is called ____ force.

5. The force required when we lift something is called _____ force.

6. Sliding force is always ___ than rolling friction.

B). Answer the following questions: 2×5= 10 marks.
1. What is force ?
2. What is force of friction?
3. Mention two characteristics of force of friction.
4. What cause a football to come at rest by itself after some time ?
5. Distinguish between rolling friction and sliding friction.

C). Write True or False : (1×5=5)
( Copy the full sentences).
1. Force can move an object.
2. Force can change the weight of an object.
3. Friction helps to increase the speed of an object.
4. Static friction is more than sliding friction.
5. Sliding an object is easier than rolling it.​

Answer 1

c write true or false

1. is direction of force