Science speed and forces revision Flashcards
1
Q
What is thrust?
A
A push caused by an engine
2
Q
How do you calculate speed?
A
Distance divided by time.
3
Q
What is the difference between mass and weight?
A
Weight is a force and mass is a measurement.
4
Q
What is air resistance/drag?
A
The force on an object moving through the air that causes it to slow down.
5
Q
What is friction?
A
The force that resists movement because of contact between surfaces.
6
Q
What is mass?
A
The amount of matter that something is made up of.
7
Q
What is weight?
A
The force of the earth on an object due to its mass.
8
Q
What is density?
A
The amount of mass that there is in an area.
9
Q
Force(s) acting on an object that are the same size but act in opposite directions is called…
A
Balanced.
