A
What is the SI unit of work and energy?
joule
What is the transfer of energy from one object to another by a force?
work
How do you call any change in an object's position?
displacement
P = W/t
Which is the formula for average velocity?
v = change in position / time
What is the SI unit of force?
Newton
What is the name of the book published by Isaac Newton in which he talks about the laws of motion?
Principia
Which is the second law of motion (formula)?
F = m a
What is defined as distance traveled in a given time?
speed
Which is the formula for average speed?
s = d/t
c2 = a2 + b2
Name the resistance arising to an object's motion through a fluid or across a surface.
friction
Which law of motion states that for every action there is an equal and opposite reaction?
3rd law of motion
Any change in speed, direction, or both is ____.
acceleration
Which law of motion states that the velocity of an object does not change unless the object is acted upon by an external force?
1st law of motion
Which is the SI unit of power?
watt
Which is the formula for average speed?
v=d/t
A physical quantity having only magnitude (number) but not direction is considered to be a ___ quantity.
scalar
Which theorem states the relationship between the hypotenuse and legs of a right triangle?
Pythagorean theorem
How do you call the rate of doing work?
power
What refers to the tendency of matter to resist changes in motion?
inertia
What is the "quantity of motion" of an object, equal to the product of the object's mass and velocity?
momentum
resultant
Velocity is considered vector quantity or scalar quantity?
vector quantity
A physical quantity having magnitude and direction (both) are considered ___ quantities.
vector