2. Forces In Action

Question 1

Define the newton.

Answer 1

One newton is the force that causes a mass of one kilogram to have an acceleration of one metre per second every second.

Question 2

Define weight

Answer 2

Weight is the gravitational force on a body.

Question 3

Define a couple.

Answer 3

A couple is a pair of equal and parallel, but opposite forces, which tends to produce rotation only

Question 4

Define the moment of a force.

Answer 4

The moment of a force is the force multiplied by the perpendicular distance from a stated point.