According to Newton if the forces acting on an object are unbalanced, what happens to the object. ( be sure to use the correct terminology)
accelerates.
100
Animal used to test first parachute in France in 1780's?
What is a dog
100
What happens to the GPE of a diver as she climbs up the ladder to the platform above?
It increases.
200
According to Newton's second law of motion the acceleration of an object is equal to the _______ divided by the _________
net force ; mass
200
Name of Martian Rover that landed on mars by being lowered by cables from a rocket platform.
Curiosity
200
another name for the first law of thermodynamics
What is law of conservation of energy
300
What two properties of an object are needed to calculate its momentum?
mass and velocity
300
28,000 of these were dumped into the pacific ocean near China and many of them found their way through the Arctic circle and into the Atlantic ocean by following the vast system of ocean currents.
rubber ducks
300
Type of energy demonstrated by a speeding bullet.
What is kinetic energy
400
How did the law of conservation of momentum play a role in the extinction of the dinosaurs?
collision of comet
400
Former name for what is now called the theory of plate tectonics.
Continental drift
400
Two types of potential energy demonstrated in Barbie Bungee Lab
What are gravitaional and elastic
500
What is the term newton gave to the product of the net force applied to an object multiplied by the time it was applied?
impulse
500
The bitter Russian winter stopped Napoleon in the early part of the 19th century. What Tchaikovsky musical work was written to celebrate this achievement?
1812 Overture
500
The second law of thermodynamics makes one of these macines impossible.