Topic 1.3, 1.4, 1.5

Question 1

Define Mass

Answer 1

quantity of matter in an object

Question 2

Define weight

Answer 2

gravitational force on an object with mass

Question 3

What is the equation for Gravity?

Answer 3

g= W ÷ m

Question 4

What does g equal?

Answer 4

10 N/kg (9.8)

Question 5

Unit for Mass

Answer 5

Kilograms (kg)

Question 6

Unit for Weight

Answer 6

Newtons (N)

Question 7

Unit for Gravity

Answer 7

N/kg

Question 8

Define Force

Answer 8

a push or a pull on an object that atempts to change it motion, shape or size

Question 9

Define inertia

Answer 9

the capacity of an object to resist a change in motion from a force

Question 10

Equation for Weight

Answer 10

Weight= Mass x Gravity

Question 11

What are resisting forces

Answer 11

forces only acting to oppose another one

Question 12

example of opposing forces

Answer 12

• Air resistance
• Friction

Question 13

When going straight, what is the equation for Force

Answer 13

Force= mass x acceleration

Question 14

When going down, what is the equation for Force?

Answer 14

Force= mass x gravity

Question 15

Define Terminal Velocity

Answer 15

constant/uniform speed in which the object moves when the forces acting on it are all the same

Question 16

Equation for density

Answer 16

density= mass ÷ volume