Vectors and Scalars

Question 1

Scalars

Answer 1

Quantities that have magnitude only

Question 2

Velocity

Answer 2

Speed with direction

Question 3

Vectors

Answer 3

Quantities that have both magnitude and direction

Question 4

Magnitude is?

Answer 4

Size (15km, 5m)

Question 5

When drawing vectors, the size/length of the arrow represents?

Answer 5

The magnitude of the vector, and the direction of the vector

Question 6

Forces can change the a), and can change its b) from c), or change its d).

Answer 6

a) shape of an object
b) state of motion
c) rest
d) speed

Question 7

Contact Forces are?

Answer 7

the forces when 2 objects have to touch to interact

Question 8

Newton’s Third Law: When 2 objects interact with each other, they?

Answer 8

exert equal and opposite forces on each other.

Question 9

Net/Resultant forces: A single force that has?

Answer 9

The combined effect of all the forces acting on the object

Question 10

Newton’s First Law: If all forces…

Answer 10

Acting on an object are equal, the resultant force will be 0.

Question 11

If an object is at zero Newtons and it is at rest,?

Answer 11

It remains stationary

Question 12

If an object is at zero Newtons and is moving,?

Answer 12

It will continue moving at a constant speed in the same direction

Question 13

If the forces on an object are unbalanced, then the a) depends on the b) and c) of the resultant force

Answer 13

a) change to the object’s motion
b) size
c) direction