Sains Ting 3 Bab 7

Sains Ting 3 Bab 7

9th Grade

20 Qs

quiz-placeholder

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Sains Ting 3 Bab 7

Sains Ting 3 Bab 7

Assessment

Quiz

Science

9th Grade

Hard

Created by

NG Moe

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Rajah di bawah menunjukkan maklumat sebuah peralatan elektrik. Diagram below shows informations of an electrical appliances.

Jika peralatan berkenaan digunakan 24 jam sehari selama 30 hari, berapakah jumlah kos tenaga elektrik yang digunakan sekiranya kos per unit tenaga elektrik ialah 20 sen.

A RM 39.60

B RM 79.20

C RM 89.60

D RM 99.20

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Rajah di bawah menunjukkan Amir dan rakannya sedang bermain sepak takraw di gelanggang terbuka sekolahnya. Diagram below shows Amir and his friends playing sepak takraw in his school's open court.

Bola takraw itu berjisim 0.2 kg . Semasa perlawanan tersebut Amir menyepak bola takraw dengan halaju 10 ms-1 . Berapakah nilai tenaga kinetik yang dimiliki oleh bola takraw tersebut? The 'takraw" ball has a mass of 0.2 kg. In the game Amir kicks a takraw soccer ball with a velocity of 10 ms-1 . What is the value of the kinetic energy possessed by the 'takraw' ball?

Tenaga kinetik: 1/2 mv2

A 100 J

B 10 J

C 20 J

D 0.2 J

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Rajah di bawah menunjukkan bola berjisim 400 g yang berada di atas pokok. Diagram below shows a ball with 400 g mass object that is on a tree.

Pecutan graviti dianggarkan 10 ms-2 . Berapakah tenaga keupayaan graviti bola tersebut? Gravitational acceleration estimated as 10 ms-2 . What is the gravitational potential energy of the ball?

Tenaga keupayaan graviti = mgh

Gravitational potential energy = mgh

A 280 J

B 2 800 J

C 28 000 J

D 280 000 J

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Antara rajah berikut, yang manakah menunjukkan kerja dilakukan? Which of the  following diagrams show work is done?

Media Image
Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apakah definisi tenaga? What is the definition of energy?

A Kadar melakukan kerja The rate of doing work

B Keupayaan untuk melakukan kerja The ability to do work

C Kebolehan untuk menggerakkan objek The ability to move an object

D Masa yang diambil untuk menggerakkan objek Time taken to move an object

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apakah faktor yang mempengaruhi kerja yang dilakukan?

What factors affect the work done?

A Beban dan jarak Load and distance

B Daya dan tenaga Force and energy

C Beban dan tenaga Load and energy

D Daya dan sesaran Force and displacement

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Rajah 1 menunjukkan seorang lelaki menolak sebuah kereta dengan daya 200 N dari titik P ke titik Q.

Diagram 1 shows a man pushing a car with a force of 200 N from point P to point Q.

Hitung kerja yang dilakukan oleh lelaki itu. Calculate the work done by the man.

A 100 J

B 200 J

C 300 J

D 400 J

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