Motion and forces

Question 1

what is a vector

Answer 1

Question 2

give 4 examples of vectors

Answer 2

Question 3

what is velocity

Answer 3

The velocity of an object is its speed in one particular direction

Question 4

what does a distance time graph show

Answer 4

Question 5

what does a velocity time graph show

Answer 5

Question 6

what is a free body force diagram

Answer 6

Question 7

how do you calcualte speed

Answer 7

distance/time

Question 8

what happens when two bodies interact

Answer 8

Question 9

what does the acceleration produced by a resultant force depend on

Answer 9

Question 10

use equations

Answer 10

do questions

Question 11

Investigate the relationship between force, mass and acceleration

Answer 11

Question 12

what happens in a vacuum of bodies falling

Answer 12

all falling bodies accelerate at the same
rate

Question 13

define mass

Answer 13

Question 14

define weight

Answer 14

Question 15

Demonstrate an understanding that: a) when an object falls through an atmosphere air resistance increases with increasing speed b) air resistance increases until it is equal in size to the weight of the falling object c) when the two forces are balanced, acceleration is zero and terminal velocity is reached

Answer 15

s