RESIT QUESTIONS

Question 1

FORCES

Answer 1

• A force is any interaction that when unopposed will change the motion of an object.
• Measured in Newtons
• Examples: push, pull, stretch and restrain.

Question 2

PRESSURE

Answer 2

• the amount of force measured in a specific area that can cause discomfort.
• SI unit = Pa (pascal)

Question 3

GASSES

Answer 3

Oxygen - supplies our body with oxygen which helps with our blood flow and the function of our organs.
Nitrogen - helps in protein synthesis and removes waste

Question 4

FRICTION

Answer 4

Friction is a force- Too much or too little can be negative in health care
- using slide sheets

Question 5

POTENTIAL AND KINETIC ENERGY

Answer 5

Kinetic Energy - Allows objects to move. E.g the heart beating and pumping blood constantly
Potential Energy - Stored and used when needed. E.g Glucose

Question 6

ENERGY CONVERSION

Answer 6

• Energy conversion is important as we convert energy daily such as chemical energy in the form of food and convert it to kinetic energy, heat, and other forms of energy.
• Also it is important for spare energy such as ‘pacemaker’