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Worksheets

Fisika_11-Plus

Total questions: 10

Worksheet time: 29mins

Name
Class
Date
1.

Look at the picture!

Location of the gravity field of the AB is ...

a)

5 cm

b)

9 cm

c)

11cm

d)

12 cm

e)

15 cm

2.

Sayap pesawat terbang dirancang agar memiliki gaya angkat ke atas maksimal, seperti gambar jika v adalah kecepatan aliran udara dan P adalah tekanan udara maka sesuai dengan azas bernoulli rancangan tersebut dibuat agar .....

a)

V1 > V2 sehingga P1 > P2

b)

V1 > V2 sehingga P1 < P2

c)

V1 < V2 sehingga P1 < P2

d)

V1 > V2 sehingga P1 = P2

e)

V1 < V2 sehingga P1 = P2

3.

The graph below shows the relationship between load changes (ΔF) with the length (ΔX), a graph showing the smallest value of the constant elasticity is ....

a)
b)
c)
d)
e)
4.

From a tank full water located at an altitude as in the picture!

the speed of the water free from the tap is ...

a)

6,3 m/s

b)

10 m/s

c)

11,8 m/s

d)

12 m/s

e)

15,5 m/s

5.

AB whose mass is negligible rods placed horizontally and carried three styles as shown. Resultant moment of the forces acting on the rod when rotated on the shaft D is ... (Sin 53 o = 0.8)

a)

2,4 N.m

b)

2,6 N.m

c)

3,0 N.m

d)

3,2 N.m

e)

3,4 N.m

6.

. A waterfall with a height of 8 meters and volume flow rate of 10 m3 /s is used for turning the micro-electrical generator. If 10% of the potensial energy is converted into electrical energy, the output power of the generator will be ...

a)

70 kW

b)

72 kW

c)

80 kW

d)

90 kW

e)

92 kW

7.

Suatu zat cair dialirkan melalui pipa seperti tampak pada gambar berikut. Jika luas penampang A1 = 0,008 m2, A2 = 0,002 m2 dan laju zat cair v2= 2 m/s, Berapakah besar v2 ?

a)

0,5 m/s

b)

0,8 m/s

c)

1,5 m/s

d)

2,0 m/s

e)

2,5 m/s

8.

Note the following spring picture! If 3 identical springs arranged as a picture (c) then spring system will get longer .....

a)

4,0 cm

b)

3,6 cm

c)

3,2 cm

d)

3,0 cm

e)

2,8 cm

9.

An object immersed in a fluid portion has a density of 0.75 g / cm3 as shown by the following picture !

If the volume of the submerged object is 0.8 of the total volume, specify the density of the object ...

a)

0,2 gr/cm3

b)

0,3 gr/cm3

c)

0,4 gr/cm3

d)

0,5 gr/cm3

e)

0,6 gr/cm3

10.

From the picture on the side, the location of the center of gravity of the shaded areas of homogeneous X-axis is...

a)

4.0 cm

b)

3.5 cm

c)

3.0 cm

d)

2.5 cm

e)

2.0 cm