Kinematics Definitions

Question 1

free fall explanation

Answer 1

projectiles fall freely with gravitational acceleration “g” where g= 9,8m/s^-2 near the surface of the Earth

Question 2

how much time do projectiles take to reach their greatest point and to fall back to the point of launch

Answer 2

the same amount of time for each movement

Question 3

vector

Answer 3

physical quantity with both magnitude and direction

Question 4

scalar quantity

Answer 4

a physical quantity that has magnitude only

Question 5

resultant vector

Answer 5

the single vector which has the same effect as the original vectors acting together

Question 6

distance

Answer 6

the length of path travelled

Question 7

displacement

Answer 7

a change in position

Question 8

what is displacement

Answer 8

a vector quantity that points from the initial to the final position

Question 9

speed

Answer 9

the rate of change of distance

Question 10

velocity

Answer 10

rate of change of position/displacement

Question 11

acceleration

Answer 11

rate of change of velocity