Forces and Motion 1
True or False: An unbalanced force doesn't affect motion.
false.
These are the “categories”.
What is Domain, Kingdom, Phylum, class, order, family, genus, species?
The heavier an object, the more __________ is required to stop it.
What is force?
According to Newton,an object in motion will do this.
What is stay in motion?
A bicycle is a type of this.
What is a complex machine?
Levers and pulleys.
What are simple machines?
The best teacher ever.
Who is Mr Richter?
An object at rest will stay at rest unless something occurs.
Balance force
Unbalanced force
the object is acted upon by an unbalanced force
Measured in kilograms.
What is mass?
The tendency of matter to resist a change in it's state of motion.
What is inertia?
The more mass an object has the more _________ it has.
What is inertia?
The particles are too small
What is homogeneou?.
This is a change in speed.
Motion
acceleration
acceleration
A rocket taking off is an example of Newton's laws.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
Newton's 3rd Law.
Measured in Joules
What is work?
When an object is not moving it is said to have these forces acting on it.
What are balanced forces?
The moon is and example of this.
What is a natural satelite?
A ramp is used to help move a heavy box weighing 600 N up to a loading dock that is 2 meters high. If the length of the ramp is 6 meters, then this number gives the mechanical advantage of the ramp.
What is 3?
According to Newton's 3rd Law, for every action there is this.
What is an equal, and opposite reaction?
The part of a lever that is often indicated by a triangle in a diagram.
What is a fulcrum?
A lever is used to lift a load of 200 N. The effort applied to the lever is 50 N. The answer gives the mechanical advantage
What is 4?
The fourth rock from the Sun
What is Jupiter?
True or False: Friction decreases speed.
True
W=fxd
What is the formula for Work?
This keeps thing in orbit.
What is gravity?