Forces, Density and Magnetism Flashcards
Do electricity and water mix?
No
Should you wear safety glasses in the lab?
Yes
Should you keep the working space neat and tidy?
Yes
A force may be …
A push, pull, twist or turn
Forces are measured using a …..
Newtonmeter
The unit of force is ….
Newtons
What is mass measured in
Kilograms/grams
What is weight measured in?
Newtons using a newtonmeter
Does mass ever change
No!
What force is always against moving objects?
Friction
Which force causes objects to float?
Upthrust
What force slows airborne objects down?
Air resistance
Which force pulls objects towards the ground?
Gravity
When will the forces on an object be balanced?
When it is stationary or travelling at a constant speed.
What is the mass of 1cm3 of a material called?
Its DENSITY