Linear Motion (3.1)

Question 1

What is linear motion?

Answer 1

Movement of a body in a straight or curved line where all parts move in the same direction for the same distance over the same amount of time

Question 2

What is a direct force?

Answer 2

A force applies through the centre of mass resulting in linear motion

Question 3

What is the COM?

Answer 3

The point at which a body is balanced in all directions. The point from which weight appears to act

Question 4

Definition of distance?

Answer 4

The total length covered from start to finish

Question 5

Definition of displacement

Answer 5

The shortest straight lkke route from start to finish

Question 6

Definition of speed

Answer 6

The rate of change in distance (m/s) calculated by dividing distance by time

Question 7

Velocity?

Answer 7

The rate of change in displacement (m/s) calculated by dividing displacement by time taken

Question 8

What is acceleration?

Answer 8

The rate of change in velocity (m/s/s) calculated- (final-initial velocity) /time taken