Chapter 1 to 3

Which of the following are NOT a derived quantity:

• Electric current

• Impulse

• Pressure

• Amount of substance

Describe the following formula in terms of base quantity:

Charge, Q = I × t

• [Electric current] [time]

• [luminous intensity] [time]

• [Amount of substances] [time]

• [Electric current] [temperature]

The type of the graph is ___.

• y inversly proportional to x

• y increase with x

• x increase with y

• x decrease with y

What is the SI unit for pressure

• N s

• N m

• N m²

• N m-²

The base quantities from the text:

• Mass

• Length

• Temperature

• Time

The derive quantities from the text:

• Velocity

• Acceleration

• Energy

• Force

Define the meaning of displacement

• Distance travelled in a particular direction

• Length travelled in a particular direction

• Rate of change of distance

• Distance travelled in any direction

What physical quantity we can get when calculate the area under the graph of velocity-time graph

• Deceleration

• Acceleration

• Displacement

• Distance

What does happended when a piece of paper and a PSP console are thrown simultaneously at the

same height in vacumm space?

• Both simultaneously reach the floor.

• PSP console will reach the floor first.

• The piece of paper wil reach the floor first

Why oil tanker has many storage tank?

• Reduce inertia

• Style

• Increase mass

• Decrease friction force