Science of Flight

Front

What is the upward force that counteracts the force of gravity?

Back

Lift

Front

When an airplane takes flight, the lift is ___________________ the weight.

Back

greater than

Front

When an airplane lands on the ground, the thrust is ___________________ the drag.

Back

less than

Front

The wings of an airplane are designed to provide ___________.

Back

Lift

Front

What is thrust in the context of flight?

Back

The force that propels an airplane forward.

Front

What is drag in aviation?

Back

The resistance force that opposes thrust.

Front

What is gravity?

Back

The force that pulls objects toward the Earth.

Front

What happens when lift is equal to weight?

Back

The airplane maintains a steady altitude.

Front

What is an example of unbalanced forces?

Back

A pencil rolling across a desk.

Front

What is the relationship between thrust and drag during takeoff?

Back

Thrust must be greater than drag.