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Inadequacy of classical mechanics

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What kind of support in the picture

a)

pinned

b)

simple

c)

fixed

d)

roller

2.

How many support reactions for roller?

a)

1

b)

2

c)

3

d)

4

3.

What type of wave is light wave

a)

Electromagnetic

b)

Plastic

c)

Molecular

d)

Not predictable

4.
Pa (Pascal) is the unit for
a)
Thrust
b)
Pressure
c)
Frequency
d)
Conductivity
5.

What is this?

a)

Me

b)

Monkey

c)

Seal

d)

Panda

6.
Stars appears to move from east to west because
a)
All stars move from east to west
b)
The earth rotates from west to east
c)
The earth rotates from east to west
d)
The background of the stars moves from west to east
7.

If a number of forces act simultaneously on a particle, it is possible

a)

not to replace them by a single force

b)

to replace them by a single force

c)

to replace them by a couple

d)

to replace them by a couple and a force

8.

A couple is consists of

a)

Two like parallel forces of same magnitudes

b)

Two like parallel forces of different magnitudes

c)

Two unlike parallel forces of same magnitudes

d)

243 kphTwo unlike parallel forces of different magnitudes

9.

Mass is a universal constant

a)

True

b)

False

10.

Forces are called coplanar when tall of them acting on body lie in

a)

one point

b)

one plane

c)

different point

d)

different plane

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