level: Level 1 of Forces
Questions and Answers List
level questions: Level 1 of Forces
Question | Answer |
---|---|
Weight | Is a force that is measured in Newtons |
Mass | How much stuff or matter a thing is made of |
Gravity | An invisible force that pulls objects together |
Friction | A force that opposes movement |
What do you use to represent forces in a diagram | Arrows |
Do balanced or unbalanced forces make an object move | Unbalanced |
Buoyancy | The ability of an object to float |
Force | Any push, pull or twist |
Magnet | A material that uses a magnetic field and can attract or repel things |
Magnetic fields | The range or area around a magnet that the force of that magnet can be experienced |
Lubricant | A substance used to reduce friction between moving surfaces |
Surface tension | The property of the surface of a liquid that allows it to resist an external force |
Aerodynamic | The way that air moves around things |
Will a balanced force cause an object to remain stationary or move | Stationary |
What do you use to measure forces | A spring balance |
What unit is used to measure forces? | Newtons |
Is weight a contact or non-contact force | non-contact |
Contact force | Any force that requires contact to occur |
Non-contact force | A force which acts on an object without coming physically in contact with it |
Is magnetic force a contact or non-contact force? | Non-contact |