Topic 1.1 and 1.2

Question 1

Acceleration equation

Answer 1

velocity change ÷ time taken
or
change in speed ÷ change in time

Question 2

Weight definition (w)

Answer 2

Gravitational force on an object with mass (N)

Question 3

Velocity equation

Answer 3

Velocity= Displacement ÷ Time

Question 4

Mass definition (m)

Answer 4

quantity of matter present in a substance (kg)

Question 5

Slope/Gradient equation

Answer 5

Rise ÷ Run

Question 6

Area of a circle

Answer 6

pi x r²

Question 7

Equation for speed

Answer 7

Speed= Distance ÷ Time

Question 8

Volume equation

Answer 8

Length x breadth x height

Question 9

Speed meaning

Answer 9

How fast something goes in any direction

Question 10

Acceleration meaning

Answer 10

Rate of change in velocity (m/s²)

Question 11

Distance definition

Answer 11

How far and object moves
(scalar- no direction)

Question 12

Displacement definition

Answer 12

shortest distance between two points
(vector- magnitude and direction)

Question 13

Velocity meaning

Answer 13

How fast an object moves in a particular distance (m/s)

Question 14

Density definition (D)

Answer 14

Ratio of mass to volume (kg/m³) (g/cm³)

Question 15

Equation for Weight (w)

Answer 15

Mass (m) x Gravity (g)

Question 16

Area of a triangle

Answer 16

1/2 x base x height

Question 17

Equation for Density

Answer 17

Mass (m) ÷ Volume (v)

Question 18

Volume of cylinder

Answer 18

pi x r² x h

Question 19

Vectors meaning

Answer 19

Needs both magnitude and direction to define them.
eg. Force, velocity

Question 20

Motion definition

Answer 20

The movement of an object through space

Question 21

Scalar meaning

Answer 21

Has magnitude (size) only