Linear Motion Review

Motion is Relative. Why

Everything moves

Constant velocity means?

Constant speed and direction

Define acceleration

How quickly and in what direction velocity changes

Define rate

Any quantity/ time

Define average speed

Distance travelled in unit time

To convert km/h to m/s

divide 3.6

Direction of degrees true

Clockwise

When an object is thrown downward with an initial speed it still has the same _ due to gravity.

acceleration

When an object is thrown upwards, the acceleration becomes?

Negative

Refer to image

Zero, 9.81

Terminal velocity is when the acceleration of the object _ acceleration of gravity. This is caused by_.

matches, surface area, mass and shape of the object

During terminal velocity, the weight of the object becomes _

0

Constant velocity means

Constant speed and direction