1
Which animal has the largest eyes in the animal kingdom? hint: sea
squid
Which artist painted the famous artwork The Starry Night?
van gogh
If there is no net force acting on an object, what happens to its motion?
A) Its motion does not change (it stays at rest or moves at a constant velocity).
B) It immediately stops moving.
C) It begins to slow down gradually.
D) It begins to spin.
a
Which ocean is the deepest on Earth
pacific
“For every ____________________, there is an equal and ____________________ reaction.”
reaction, opposite
Two horizontal forces exist on a canoe, 225 N westward and 165 N eastward. What is the net force on the canoe? ( this includes direction)
60 N <-------------
draw a diagram to represent the net force. draw the 2 forces acting on it
A bird sits motionless on a perch.
Fg pointing down and Fn pointing up
A force causes an object to accelerate.
Law: _____________
2nd
What is Newton’s First Law also called?
Law of inertia
What vitamin is produced when human skin is exposed to sunlight
d
You push against a wall. Does the wall push back on you?
yes
88
A rocket moves forward as exhaust gases are pushed backward.
Which Law:
3rd
A moving skateboard continues moving until a force such as friction slows it down.
Law: ______
first
Which US President is credited with establishing the National Park Service? Hint: 26th president and also served as a Vice President
theodore Roosevelt
In which body part would you find the stapes, the smallest bone in the human body
ear
If an object is accelerating, there must be a net force acting on it. True/false
true
A vector has no effect on a second vector that is _________________ to it.
perpendicular
What is the tallest type of grass on Earth
bamboo
Which Newton’s Law explains why an object resists changes in its motion?
1st, law of inertia
A swimmer pushes water backward and the water pushes the swimmer forward.
Law:
third
In the equation Fnet=ma, what does a represent?
acceleration
A book remains on a table until someone picks it up.
Law:
Rearrange the equation Fnet=ma to solve for acceleration.
a = fnet/m
Do perpendicular forces act independently on an object?
yes