Imprimir Test: Air Resistance and Gravity (General Knowledge - f1 - fórnula

1.

What will happen if you drop a cannonball and a feather at the same time in a vacuum?

A.

The cannon ball falls first

B.

The feather falls first

C.

They fall at the same time

2.

What forces are acting on the objects?

A.

Work and force

B.

Ohm's law and gravity

C.

Air resistance and gravity

3.

Aerodynamic means...

A.

Having a shape which reduces the drag from air moving past.

B.

It has a shape that reduces fuel use.

C.

Have a shape that reduces distance.