Newton's 1st Law
What is the factor that determines the inertia of an object?
Mass
The speed of an object changes only when it is acted on by an unbalanced force.
True
For every action there is an equal and opposite reaction refers to ____
Newton's 3rd Law
tendency of an object to resist a change in motion
inertia
What is the SI unit is needed for mass in force calculation questions?
kilograms, kg
Overcoming an objects inertia always requires what?
Unbalanced force
"An object in motion stays at a constant speed and direction unless acted upon by a force" is the definition of what?
the law of inertia
What is the equation for Newton's Second Law?
Force = Mass X Acceleration
F = MA
Is a Newton a type of force?
no, it is a type of measurement
True or false: Newton's first law of motion only applies to objects that are already moving.
False
What are the units for acceleration?
meters per seconds squared
m/s2
If an equal force acts on the students, which will have the greatest acceleration; the small student or the large student?
small student
True or False:
It is harder for a heavy object moving at a high rate of speed to stop than it would be for light object to stop.
True
What is the force (with SI units!) of an object with a mass of 50 kg with an acceleration of 2 m/s^2 ?
100 N
If Jeremy pushes a box with a force of 50 N to the east, and Kai pushes back on the box with a force of 70 N to the west, which way will the box go?
To the west