Question

Answer the All Blanks .. Wrong ones will be reported!! nd right one as BRAINLIST!!​

Answer 1

Answer:

1 frictional force

2 static friction

3 roughness

4 heat up

5 push

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Answer 2

A.Fill in the Blanks:(Friction)

1.The force acting between the two surfaces whenever an object moves or tends to move over the surface of another object is called Frictional force.

2. Static friction is a self-adjusting force.

3. The more is the of the two surfaces in contact more is the force of friction.

4. Friction warms up our palms in winter.

5. We press the ground under our feet backwards, when we walk.

B. State True or False.

1. Sliding friction is a little more than static friction between two surfaces. False

2. It's much easier to roll than to slide a body over a given surface. True

3. Static friction <Sliding friction < rolling friction. False

4. Friction leads to production of heat. True

5. We are unable to write on the blackboard because of friction. False

C.Fill in the blanks (Force & Pressure )

1. S.I unit of pressure is pascal (Pa)

2. The amount or the strength of force is called its magnitude

3. Pressure in solid depends upon the force and the area.

4. Pressure in liquids depends upon density of the measuring point and density of the liquid.

5. Force generated by moving of non living materials is called Mechanical force

Hope it helps you｡◕‿◕｡