Question

b)drop
Q. -2) Multiple choice Questions
1)Ball bearing is a device which usually converts -
a) rolling friction into sliding friction b) static friction into sliding friction
c) sliding friction into rolling friction d rolling friction into static friction
2)The frictional force exerted by a fluid is called-
a) drag
c)drag d)trade
3)The weight of an object can be measured by a -
a) beam balance b) analytical balance c) spring balance d) Physical balance
4) The magnitude of force is expressed in the unit of force called -
a) Pascal b) kelvin c) Newton d)Magdeburg
5)Which of the following is not a non - contact force?
a) electrostatic force b) gravitational force c) Frictional force d) magnetic force
Q. -3)Fill in the blanks
(2.5)
a) To draw water from a well, we have to at the Rope.
b) Force has magnitude as well as
c) Force acting on a unit area is called
d )friction prevents our foot from over the ground.
e) friction produces​

Answer 1

Answer:

1.c.sliding friction into rolling friction

2.Option not given (bouyond)

3.c.spring balance

4.c.Newton

5.c.Frictional force

3.a.pull

b.direction

c.pressure

d.slip

e.heat

Explanation:

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