3.3 Man made satellite

[TRIAL 2021&2022] Form 4 Chapter 3 Objective

1

2

TIPS : Mass of the earth : 5.97 x 10^24kg

TIPS : Radius of the earth : 6.37 x 10^6 m

3

4

1. Terangkan bagaimana kereta dapat diangkat dengan menggunakan Jek hydraulik

1. Explain how a car can be lifted using hydraulic jack

2. Terangkan bagaimana cerucuk terbenam ke dalam tanah

2. Explain how a pile is driven into the ground

3. Berpandukan konsep momentum, terangkan bagaimana daun teratai bergerak ke arah belakang apabila katak melompat ke hadapan.

3. Based on the concepts of momentum, explain how lily pad moves backwards when a frog leaps forwards.

4. Bagaimana cermin keselamatan berfungsi?

4. How safety mirror works?

5. Bagaimana panjang fokus kanta pembesar dapat ditentukan.

5. How the focal length of magnifying glass can be determined

6. Terangkan bagaimana kerusi yang digunakan untuk kegunaan rawatan gigi dapat dinaikkan.

6. Explain how a chair used for dental treatment can be lifted up

7. Merujuk kepada prinsip keseimbangan terma dan prinsip kerja termometer, bagaimana seorang doktor dapat memeriksa suhu badan pesakit semasa membuat rawatan kesihatan?

7. Referring to the principle of thermal equilibrium and the working principle of a thermometer, explain how a doctor can check his patient's temperature during medical treatment?