Year 7 Physics Practical Workbook - Definitions to Keywords (p15)

Question 1

Which term is defined as follows? The force of the earth on an object due to its mass

Answer 1

Weight

Question 2

Which term is defined as follows?
Shaped to reduce resistance to motion from air or water

Answer 2

Streamlined

Question 3

Which term is defined as follows?
The amount of matter (stuff) a thing is made up of

Answer 3

Mass

Question 4

Which term is defined as follows?
The unit of force, symbol N

Answer 4

Newton

Question 5

Which term is defined as follows?
A state of balance between opposing forces or actions

Answer 5

Equilibrium

Question 6

Which term is defined as follows?
A stretching force

Answer 6

Tension

Question 7

Which term is defined as follows?
To move or cause to move faster

Answer 7

Accelerate

Question 8

Which term is defined as follows?
The support force provided by a solid surface like a floor

Answer 8

Reaction

Question 9

Which term is defined as follows?
The force acting on an object moving through air or water that causes to slow down

Answer 9

Drag

Question 10

Which term is defined as follows?
The force that resists movement because of contact between surfaces

Answer 10

Friction

Question 11

Which term is defined as follows?
Forces acting on an object that are the same size but act in opposite directions

Answer 11

Balanced Forces