Scalars and Vectors

Question 1

what is a scalar quantity

Answer 1

have a magnitude

Question 2

what is a vector quantity

Answer 2

have a size and a direction

Question 2

give 3 scalar quantities

Answer 2

mass
speed
distance
energy
temperature

Question 3

give 3 vector quantities

Answer 3

force/weight
velocity
displacement
acceleration
momentum

Question 4

what is the unit for velocity

Answer 4

m/s

Question 5

what is the equation for speed

Answer 5

speed = distance/time

Question 5

what does an upward curling line on a distance-time graph tell you

Answer 5

accelerating

Question 6

what does a straight line tell you on a distance-time graph

Answer 6

constant speed

Question 7

what does a downward curling line on a distance-time graph tell you

Answer 7

decelerating

Question 8

what does a flat line tell you about a distance-time graph

Answer 8

stationary

Question 9

what does the gradient show on a distance-time graph

Answer 9

speed

Question 10

what is the formula for acceleration

Answer 10

change in speed/time taken

Question 11

what is the formula for velocity that uses acceleration

Answer 11

final velocity = start velocity + 2 * acceleration * distance

Question 12

what does a flat line show on a velocity-time graph

Answer 12

constant speed

Question 13

what does a slope show on a velocity-time graph

Answer 13

acceleration/deceleration

Question 14

how do you find the distance from a velocity-time graph

Answer 14

calculate the area under the graph