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

Question 1

What is the definition of the following term?
Streamlined

Answer 1

Shaped to reduce resistance to motion from air or water

Question 2

What is the definition of the following term?

Balanced Forces

Answer 2

Forces acting on an object that are the same size but act in opposite directions

Question 3

What is the definition of the following term?
Reaction

Answer 3

The support force provided by a solid surface like a floor

Question 4

What is the definition of the following term?
Newton

Answer 4

The unit of force, symbol N

Question 5

What is the definition of the following term?

Equilibrium

Answer 5

A state of balance between opposing forces or actions

Question 6

What is the definition of the following term?
Mass

Answer 6

The amount of matter (stuff) a thing is made up of

Question 7

What is the definition of the following term?
Tension

Answer 7

A stretching force

Question 8

What is the definition of the following term?
Weight

Answer 8

The force of the earth on an object due to its mass

Question 9

What is the definition of the following term?

Accelerate

Answer 9

To move or cause to move faster

Question 10

What is the definition of the following term?
Friction

Answer 10

The force that resists movement because of contact between surfaces

Question 11

What is the definition of the following term?

Drag

Answer 11

The force acting on an object moving through air or water that causes to slow down