Newton's Laws
This law states that an object in rest stays in rest until acted upon by an unbalanced force.
What is Newton's 1st law?
The force that pulls objects toward Earth.
The formula for speed.
What is speed = distance/time?
The formula for work.
What is work = force x distance?
A slanted surface used to raise objects is called this.
What is an inclined plane?
What is Newton's 2nd Law?
Force that opposes the motion of objects sliding past each other.
What is friction?
A car traveling at a constant speed of 60km/h for 2 hours covers the distance.
What is 120 km?
Energy due to motion is called this.
What is kinetic energy?
This machine consists of a bar that pivots on a fulcrum.
What is a lever?
This law explains why a rocket moves upward when gases are forced downward.
What is Newton's 3rd Law?
The upward force exerted by a liquid on an object immersed in it.
What is a buoyant force?
This term describes how velocity changes over time.
What is acceleration?
Unit of energy in the metric system
What is a joule?
Ratio of output force to input force in a machine is called this.
What is mechanical advantage?
1st
Force caused by the attraction or repulsion of magnetic poles.
What is magnetic force?
A type of graph used to show the relationship between distance and time.
What is a distance-time graph?
A 10N force moves an object 3 meters. Calculate the work done.
What is 30J?
This type of simple machine is used in pulleys and gears.
What is a wheel and axle?
3rd
Which one of Newton's laws states that for every action, there is an opposite and equal reaction.
Force responsible for holding atoms together in a molecule.
What is electromagnetic force?
A runner starts at 0m/s and reaches 8m/s in 4 seconds.
What is 2m/s^2?
This law states that energy cannot be created nor destroyed, only transformed.
What is the law of conservation of energy?
A screw is an example of this simple machine.
What is an inclined plane?