Terminal Velocity

An object in equilibrium can still have forces acting on it.

• True

• False

This is a velocity time graph of a skydiver falling. Which point on the graph shows the point where the forces acting on him are equal?

• A

• B

• C

An object travelling at terminal velocity moves at a steady speed.

• True

• False

An object travelling at terminal velocity moves in a constant direction.

• True

• False

Newton's 2nd Law describes how to calculate the ___________ force.

The free body force diagram shows the forces acting on Peter at point ___.

Which diagram shows the forces acting on Peter when he is falling at Terminal Velocity?

• 1

• 2

• 3

An object with __________ forces will have a resultant force of zero.

Which statement correctly describes the weight and mass of an object?

• Weight is always the same, mass changes depending on the gravitational field strength.

• Weight and mass both depend on the gravitational field strength.

• Weight changes depending on the gravitational field strength, mass is always the same.

• Neither weight nor mass depend on the gravitational field strength.

Acceleration due to gravity on Earth is...

• 10 m/s/s

• 9.81 m/s/s

• 9.8 m/s/s/s

• 98 m/s/s