FORCES II HONORS PHYSICS

WORK AND ENERGY
HONORS PHYSICS

TEXTBOOK: Chapter 5, pages 114 - 137.

OBJECTIVES:

Write the definition for work; state the SI unit for work.

Calculate the work done by a constant force when the force and displacement make an arbitrary angle with each other.

Calculate the work input, work output, and efficiency of certain simple machines.

Name and describe the two types of mechanical energy.

Write the formulas for kinetic energy and gravitational potential energy using standard symbols.

Write a general statement of the law of conservation of energy.

Apply energy principles to solve problems in mechanics.

Write the definition of power; state the SI unit of power.

Solve power problems.

Write an expression for power when an object moves with a constant speed due to a constant force.

Calculate the work done by a non-constant force from the area under the force-displacement graph.

ACTIVITIES:

TYPE	DESCRIPTION	DATE
EXPERIMENT	Making the Grade
DISCUSS	Energy: General, Types, Formulas, Derivations, Conservation
EXPERIMENT	Cadillac vs Porsche
HOMEWORK	Read Sect 5.1 and 5.2, pgs 115 - 121; Problem Set #1: pgs 141 - 148; # 1, 5, 7, 9, 13, 15.
EXPERIMENT	Lowe's Eye IV
MULTI-MEDIA	Energy
DISCUSS	Power
EXPERIMENT	Power
HOMEWORK	Read Sect 5.3 to 5.5, pgs 121 - 132 (ignore section on springs); Problem Set #2: pgs 141 - 148; # 17, 19, 21, 23, 26, 29.
HOMEWORK	Read Sect 5.6 to 5.8; pages 132 - 137; Problem Set #3: pgs 141 - 148, # 33, 35, 37, 39, 41, 43.
EXPERIMENT	Work and a Variable Force
HOMEWORK	Conceptual Questions - Work and Energy.
DISCUSS	Conceptual Questions - Work and Energy.
HOMEWORK	Review Problems (In packet)
TEST	Work and Energy

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