Dynamics - Vectors and Scalars T7

Question 1

Vector Definition + Examples

Answer 1

A quantity that has both magnitude, direction and unit.

Examples include Acceleration, Velocity and Force.

Question 2

Scalar Definition + Examples

Answer 2

A quantity that has magnitude and U it but not direction.

Examples include Speed, Time and Mass.

Question 3

Displacement

Answer 3

Straight line from start to finish. Vector Quantity.

Question 4

Finding Displacement

Answer 4

In a right angled triangle use Pythagoras to find length of the hypotenuse.

Question 5

Finding displacement bearing.

Answer 5

Draw north from start -(bottom of first arrow)
Use Tan-1 O/A to find angle, add that to north are and work out bearing.
Drawn like (045)

Question 6

Mistakes while finding displacement

Answer 6

Not making triangle right angled.

Not drawing as arrows.