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motion
force
newton laws of motion
work
energy
100
if net forces are unbalanced the object will...
What is accelerate
100
the gravitational force between two objects depends on their...
What is mass and distance
100
what has greater inertia a car or a truck?
What is truck
100
in order for work to be done the force must move the object...
What is over a distance
100
energy is measured in unit of
What is joules (J)
200
speed that does not change is called
What is a constant speed
200
a force that resist moving along a flat surface is called...
What is friction
200
if a rockets exhaust is being pushed backwards the reaction force pushes the rocket...
What is upwards
200
work is a type ________ and the unit would be _______
What is force and joules
200
exercise may transform the chemical energy in the food you eat into what other form of energy
What is mechanical energy (kinetic energy)
300
the rate at which velocity changes is called...
What is acceleration
300
what force reacts over a distance
What is gravity
300
newtons first law of motion is called
What is the law of inertia
300
work is a type of ________ and the units would be ________
What is energy and joules (J)
300
a stretched spring is what type of energy
What is elastic energy (potential energy)
400
acceleration due to gravity on earth is
What is 9.8 m/s/s
400
weight is a force that depends on mass and...
What is the strength of the gravity
400
a ball is rolling on a flat sidewalk as it rolls it slows down and stops. why?
What is because of the force of friction keeps acting on it until the ball is no longer in motion
400
does and at rest still have inertia
What is yes
400
the kinetic energy of an object will increase the most if you increase the...
What is mass
500
think of a cart rolling down a ramp, if the slope is steeper the acceleration of the cart will...
What is increase
500
the force that pushes back against the force of an objects weight is called
What is a normal force
500
if an action force is a swimmer pushing his arms through the water, the corresponding reaction force would be
What is the water pushing back
500
you are holding a book in front of you. have you done any work
What is yes
500
gravitational potential energy is due to the objects...
What is gravity