Force and friction

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Force and friction

What is your name? *

1. Which one is an example of Non-contact force? *

1 point

Muscular force

Frictional force

Magnetic force

None of the above

2. S.I. unit of force is named after *

1 point

Albert Einstein

Isaac Newton

Blaise Pascal

Satyendranath Bose

3. A particle can stop on its own due to force of *

1 point

Friction

Muscle

Air

Gravity

4. Sliding friction is ................ than rolling friction. *

1 point

less than

equal to

greater than

none of the above

5. Which statement isn't true. *

1 point

Force can move a body

Force can stop a body

Force can change speed

Force can't change size

6. Friction can be increased by *

1 point

providing wheels

lubricating

streamlining

none of the above

7. The friction caused due to fluids is known as *

1 point

drag

motion

slide

glide

8. Regular oiling ........... friction *

1 point

increase

reduce

both

none

9. One kilogram force equal to *

1 point

98.1 N

9.8 N

0.98 N

8.9 N

10. How many types of forces are there *

1 point

One

Two

Three

Four

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