Download 2nd 9 weeks

2016.17 Physics, Quarter 2
Big Ideas/Key Concepts:
 Laws of mechanics are the foundations of classical physics.
Standards
Student Friendly “I Can” Statements
Mechanics
SPI.3231.1.1 Identify mass and weight data using units in the SI system.
Mechanics
I can identify mass and weight data using units in the SI system
SPI.3231.1.3 Given Newton’s laws of motion, analyze scenarios related
to inertia, force, and action-reaction.
I can determine that an object acted on by balanced forces continues to
move with constant velocity.
I can determine that an object acted on by unbalanced forces will
accelerate in the direction of the net force.
SPI.3231.1.7 Select the correct vector diagram to illustrate all forces on
an object affected by gravity, friction and an applied force.
I can determine the action-reaction pair of forces given a planet and a
satellite.
I can calculate the net force acting on an object given a scenario with
forces in one dimension.
PHY.WCE.2: Investigate and test for the net acceleration of a mass,
given two dissimilar masses, string, and a pulley.
I can calculate the net force acting on an object given two forces, one in
the x direction and one in the y direction.
Given two dissimilar masses, string, and a pulley, I can create an
experiment to test for the net acceleration of one of the masses using an
Atwood Machine.
SPI 3231.Inq.2 Analyze the components of a properly designed scientific
investigation.
I can analyze the components of a properly designed scientific
investigation
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SPI 3231.Inq.3 Determine appropriate tools to gather precise and
accurate data.
I can determine appropriate tools to gather precise and accurate data.
SPI 3231.Inq.4 Evaluate the accuracy and precision of data.
I can evaluate the accuracy and precision of data.
SPI 3231.Inq.5 Defend a conclusion based on scientific evidence.
I can defend a conclusion based on scientific evidence.
SPI 3231.Inq.6 Determine why a conclusion is free of bias.
I can determine that a conclusion is free of bias.
SPI 3231.Inq.7 Compare conclusions that offer different, but acceptable
explanations for the same set of experimental data.
I can select the correct vector diagram (FBD) to illustrate all forces on an
object affected by gravity, friction, normal force, and an applied forc
SPI.3231.1.8 Given an inclined plane, the required coefficient of friction
and an object of a specific mass, select the appropriate trigonometry
functions to determine whether the object will slide down the plane or
not.
I can, given an inclined plane, the angle of the incline, the coefficient of
friction, and an object of specific mass, determine if the object will slide
down the plane or not.
SPI.3231.1.6 Given the static and kinetic friction coefficients (μs and μk);
select the appropriate coefficient of friction and calculate the force
necessary to move the object.
I can select the appropriate coefficient of friction and calculate the force
necessary to move an object or keep an object moving given the static or
kinetic friction coefficients (μs and μk).
SPI.3231.1.9 Given the mass, velocity and time it takes to stop an object
in an inelastic collision, determine the momentum and impulse of the
collision.
I can calculate the momentum of an object given its mass and velocity.
SPI.3231.1.10 Analyze and solve problems related to elastic and inelastic
collisions related to change in momentum.
I can find the initial velocity of an object that collides with a stationary
object during a perfectly inelastic collision given masses and final
velocity.
I can calculate the impulse of an object given the force applied to an
object and time that the force is applied.
I can calculate the final velocity of an object that collides with another
object during an elastic head on collision given masses, initial velocities,
and the final velocity of the other object.
SPI.3231.1.16 Calculate the tangential velocity of a satellite’s motion
given the angular speed.
I can calculate the tangential velocity of a satellite’s motion given the
angular speed and the radius of the orbit.
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SPI.3231.1.15 Calculate the gravitational attraction between two objects.
I can calculate the gravitational attraction between two objects.
SPI.3231.1.17 Solve problems for centripetal force, and angular
acceleration.
I can solve problems for centripetal force given the mass, tangential
velocity, and radius.
I can solve problems for centripetal acceleration given tangential velocity
and radius.
I can describe the initial direction of an object moving in a horizontal
circle immediately after the centripetal force is removed as tangential.
SPI.3231.1.18 Analyze and solve problems related to rotational motion
and torque.
I can describe the forces acting on an object undergoing horizontal
rotational motion.
Note: Forces acting on an object in vertical rotational motion are best
analyzed using calculus, at an Honors but not Standard level.
I can calculate torque given perpendicular force and lever arm.
I can calculate net torque given two perpendicular forces and their lever
arms acting upon opposite sides of the axis of rotation.
I can solve for the work done on an object by a force in one dimensional
motion given the magnitude of the force and displacement.
I can use the work-energy theorem (Wnet=ΔKE) to calculate the final
velocity of an object given the work done on the object.
PHY.WCE.3: Use the work-energy theorem to relate the change in
kinetic energy of a system and the work done on that system.
I can calculate the change in kinetic energy of a system given the work
done on the system.
I can calculate power given work and time.
SPI.3231.1.14 Relate the variables of work, power, kinetic energy, and
potential energy to mechanical situations and solve for these variables.
I can solve for the kinetic energy of an object given mass and velocity.
I can solve for the gravitational potential energy of an object given mass
and height above a reference level.
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PHY.WCE.4: Investigate Hooke’s Law.
I can solve for the elastic potential energy of an object given the spring
constant and displacement.
I can calculate the velocity of an object launched from a compressed
spring given the spring’s constant and displacement using conservation
of mechanical energy.
I can calculate the spring force acting upon an object given the spring
constant and the displacement.
PHY.WCE.5: Explain how the total energy and mechanical energy of a
system change when friction is introduced to a system.
I can explain that, when friction is present in a system, the mechanical
energy decreases but the total energy remains constant.
I can calculate the velocity of an object free falling from a given height
using conservation of mechanical energy.
I can calculate the maximum height of an object given an initial vertical
velocity using conservation of mechanical energy.
Honors Course Addendum
Note for Teachers of Honors: Do not teach this Honors Addendum at the end of the
quarter. Embed the Honors Addendum within the regular Scope & Sequence.
Mechanics
SPI.3231.1.3 Given Newton’s laws of motion, analyze scenarios related
to inertia, force, and action-reaction.
SPI.3231.1.10 Analyze and solve problems related to elastic and inelastic
collisions related to change in momentum.
Mechanics
I can calculate the net force acting upon an object given two or more
forces acting at non-right angles.
I can design, build, refine, and evaluate a device to protect an object
during a collision.
I can investigate and calculate the amount of energy lost during an
inelastic collision.
SPI.3231.1.14 Relate the variables of work, power, kinetic energy, and
potential energy to mechanical situations and solve for these variables.
I can investigate and solve for the amount of energy lost to nonconservative forces for an object pulled across a surface at a constant
speed.
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