Dynamics

Question 1

What is a Magnitude?

Answer 1

• distance or quantity of something.

Question 2

What is a Scalar?

Answer 2

• a quantity fully described by magnitude.

Question 3

What is a Vector?

Answer 3

• a quantity described by both magnitude and direction.

Question 4

What does s stand for?

Answer 4

• displacement.

Question 5

What is instantaneous speed?

Answer 5

• the speed of an object at a particular moment.

Question 6

What is gravitational field strength?

Answer 6

• the gravitational force per unit mass.

Question 7

What is Free-Fall?

Answer 7

• the movement of an object under the influence of gravity alone.

Question 8

What is terminal velocity?

Answer 8

• a constant speed is reached when the upwards and downwards forces are equal.