Transcript Document 7594740

First Semester
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Motion & Newton’s Laws
Momentum & Energy
Buoyancy & Density
Electricity & Magnetism
Sound Waves
Heat & Temperature
Motion & Newton’s Laws
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Motion & Newton’s Laws
Speed
Instantaneous speed
Net force
Velocity
Acceleration
Free-fall
Inertia
Terminal Velocity
Mass
Weight
Newton’s Laws (1)
Newton’s Laws (2)
Newton’s Laws (3)
Balanced Forces
Force
Unbalanced Forces
Friction
Gravity
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Speed is
a. Any influence that can cause an object
to be accelerated.
b. The tendency of things to resist
changes in motion.
c. Distance traveled divided by time.
d. A state of fall under the influence of
only gravity.
Your weight is
a. the same as your mass.
b. a measure of the gravitational pull
between you and the Earth only.
c. constant.
d. a measure of the gravitational pull
between you and the closest large
astronomical object.
e. none of the above.
Friction: The force that results from
a. two surfaces sliding next to each other.
b. static electricity.
c. hitting something.
Inertia –
a. Distance traveled divided by time.
b. How fast something gets fast.
c. An object’s resistance to motion.
d. A state of fall influenced only by gravity.
Velocity is defined as
a. Speed and direction.
b. Distance divided by time.
c. How fast something gets fast.
d. None of the above.
Mass is defined as both the quantity of
matter in an object and
a. Speed and direction.
b. Acceleration.
c. A measure of the gravitational pull on
an object.
d. A measure of the inertia an object has.
Terminal velocity is defined as
a. Speed and direction.
b. When acceleration terminates – speed
remains constant.
c. How fast something gets fast.
d. None of the above.
Balanced forces are
a. Forces that combine to produce a net
force of zero.
b. A force that results when the net force
acting on an object is not equal to zero.
c. How fast something gets fast.
d. A force that opposes the motion of
objects that touch as they move past each
other.
Unbalanced forces are
a. Forces that combine to produce a net
force of zero.
b. A force that results when the net force
acting on an object is not equal to zero.
c. How fast something gets fast.
d. A force that opposes the motion of
objects that touch as they move past each
other.
Balanced forces are
a. Forces that combine to produce a net
force of zero.
b. A force that results when the net force
acting on an object is not equal to zero.
c. How fast something gets fast.
d. A force that opposes the motion of
objects that touch as they move past each
other.
Free-fall is
a. When acceleration terminates – speed
remains constant.
b. Distance traveled divided by time.
c. A fall free of all restraints – under the
influence of gravity only .
d. None of the above.
Instanteous speed is
a. The speed an object has at any instant.
b. How fast an object gets fast.
c. An average speed.
d. Speed and direction.
A force is
a. The amount of space an object takes
up.
b. A push or a pull.
c. How fast something gets fast.
d. A force that opposes the motion of
objects that touch as they move past each
other.
For every action, there is an equal and
opposite reaction.
a. Newton’s 1st Law of Motion.
b. Newton’s 2nd Law of Motion.
c. Newton’s 3rd Law of Motion.
d. Law of Inertia.
The Law of Acceleration states
a. Things at rest tend to stay at rest.
b. Things in motion tend to stay in motion.
c. For every action there is an equal and
opposite reaction.
d. The acceleration of an object is directly
proportional to the net force acting on the
object.
Newton’s 1st Law states
a. Things at rest tend to stay at rest,
things in motion tend to stay in motion.
b. The acceleration of an object is directly
proportional to the net force acting on the
object.
c. For every action there is an equal and
opposite reaction.
d. None of the above.
Net force is
a. The quantity of matter in an object.
b. A force that opposes the motion of
objects that touch as they move past each
other.
c. The overall force acting on an object
after all the forces are combined.
d. Speed and direction.
Gravity is
a. A force that acts between 2 masses.
b. Another term for weight.
c. A push or a pull.
d. The gravitational pull on an object
exerted by the nearest most massive
body.
Acceleration is defined as
a. Speed and direction.
b. When acceleration terminates – speed
remains constant.
c. How fast something gets fast.
d. None of the above.
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Table of Contents
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Momentum
Impulse
Potential energy
Kinetic energy
Energy
Elastic collision
Inelastic collision
Work
Power
momentum
a.
b.
c.
d.
Force * Distance
Force * Time
Mass * Velocity
Distance * Velocity
impulse
a.
b.
c.
d.
Force * Distance
Force * Time
Mass * Velocity
Distance * Velocity
potential energy
a.
b.
c.
d.
Energy of motion.
The time rate of work.
The property of a
system that enables it
to do work.
Stored energy.
kinetic energy
a.
b.
c.
d.
Energy of motion.
The time rate of work.
The property of a
system that enables it
to do work.
Stored energy.
work
a.
b.
c.
d.
Force * Distance
Force * Time
Mass * Velocity
Distance * Velocity
elastic collision
a.
b.
c.
d.
A collision in which the colliding objects
become distorted, generate heat, and
possibly stick together.
A collision in which colliding objects
rebound without lasting deformation or
the generation of heat.
The product of the force acting on an
object and the time during which it acts.
None of the above.
inelastic collision
a.
b.
c.
d.
A collision in which the colliding objects
become distorted, generate heat, and
possibly stick together.
A collision in which colliding objecs
rebound without lasting deformation or
the generation of heat.
The product of the force acting on an
object and the time during which it acts.
None of the above.
power
a.
b.
c.
d.
Energy of motion.
The time rate of work.
The property of a
system that enables it to
do work.
Stored energy.
energy
a.
b.
c.
d.
Energy of motion.
The time rate of work.
The property of a
system that enables it
to do work.
Stored energy.
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Fluid…
…is defined as
a. A substance with the ability to
flow.
b. Mass divided by volume.
c. As the speed of a fluid increases,
the pressure within the fluid
decreases.
d. The ability of a fluid to exert an
upward force on an object placed
in it.
Bernoulli’s Principle…
…is defined as
a. As the speed of a fluid increases, the
pressure within the fluid decreases.
b. The ability of a fluid to exert an upward
force on an object placed in it.
c. The pressure difference around an
airplane’s wing creates this upward
force.
d. Density and its relationship to buoyancy.
Density…
…is defined as
a. Force per unit area.
b. Mass divided by volume.
c. The ability of a fluid to exert
an upward force on an object
placed in it.
d. Distance divided by time.
Buoyancy…
…is defined as
a. A substance with the ability to
flow.
b. Mass divided by volume.
c. As the speed of a fluid increases,
the pressure within the fluid
decreases.
d. The ability of a fluid to exert an
upward force on an object placed
in it.
Lift…
…Is defined as
a. As the speed of a fluid increases,
the pressure within the fluid
decreases.
b. The pressure difference around an
airplanes wing creates this upward
force.
c. The amount of space an object
takes up.
d. Mass divided by volume.
Pressure…
…is defined as
a. A substance with the ability to
flow.
b. Mass divided by volume.
c. A push or a pull.
d. Force per unit area.
Table of Contents
Buoyancy and Density
Pressure
Lift
Buoyancy
Density
Bernoulli’s Principle
Fluid
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