P3 - Forces

Question 1

Which force acts downwards?

Answer 1

Gravity (weight)

Question 2

What is the reaction force?

Answer 2

The force from a surface that acts straight upwards.

Question 3

What would speed something up? (as in forces)

Answer 3

Thrust, push or pull.

Question 4

What would slow something down?

Answer 4

Drag, air resistance or friction.

Question 5

what does an aeroplane wing do?

Answer 5

Lift.

Question 6

Where does tension take place?

Answer 6

In a rope or a cable.

Question 7

What is the terminal speed?

Answer 7

When the drag = the driving force.

Question 8

What is newton’s second law?

Answer 8

If there is an unbalanced force, the object will accelerate in the direction of the force.

Question 9

What is the resultant force?

Answer 9

The overall unbalanced force.