Work and Energy Study Guide
... A box travels 15m as it is pushed across the floor with an applied force of 65N. A frictional force of 25N acts in the direction opposite of the applied force. How much work was done on the box? Net Force = 65N-25N = 40N Work=Fxd Work=40Nx15m= 600 J 4. What is the spring constant for a spring that h ...
... A box travels 15m as it is pushed across the floor with an applied force of 65N. A frictional force of 25N acts in the direction opposite of the applied force. How much work was done on the box? Net Force = 65N-25N = 40N Work=Fxd Work=40Nx15m= 600 J 4. What is the spring constant for a spring that h ...
Work and Energy
... • A force is said to do work if, when acting on a mass there is a displacement of the point of application in the direction of the force. Work is measured in Joules. Energy: • Energy is a property of objects which can be transferred to other objects or converted into different forms. Energy is measu ...
... • A force is said to do work if, when acting on a mass there is a displacement of the point of application in the direction of the force. Work is measured in Joules. Energy: • Energy is a property of objects which can be transferred to other objects or converted into different forms. Energy is measu ...
Chapter 5 Work and Energy
... KE= ½ mv^2= ½ (7kg)(3m/s)^2= 31.5 J How fast must 2.45 g ball move to have the ...
... KE= ½ mv^2= ½ (7kg)(3m/s)^2= 31.5 J How fast must 2.45 g ball move to have the ...
Lecture 15
... Conservative Forces & PE • Energy from Conservative forces can be described in terms of PE • Spring PE (E stored by spring) • Gravitational PE (E stored by gravity) • Electrical PE (E stored in Electric Fields) ...
... Conservative Forces & PE • Energy from Conservative forces can be described in terms of PE • Spring PE (E stored by spring) • Gravitational PE (E stored by gravity) • Electrical PE (E stored in Electric Fields) ...
Genetics: The Science of Heredity
... ______ 14. In a system, when energy is transformed from one form to another, a. some energy is always destroyed. c. the total energy is conserved. b. new energy is created. d. all energy changes to friction. ...
... ______ 14. In a system, when energy is transformed from one form to another, a. some energy is always destroyed. c. the total energy is conserved. b. new energy is created. d. all energy changes to friction. ...
Newton`s First Law
... NOTE: MASS and WEIGHT are NOT the same thing. MASS never changes When an object moves to a different planet. What is the weight of an 85.3-kg person on earth? On Mars (g=3.2 m/s/s)? ...
... NOTE: MASS and WEIGHT are NOT the same thing. MASS never changes When an object moves to a different planet. What is the weight of an 85.3-kg person on earth? On Mars (g=3.2 m/s/s)? ...
Document
... “The work done by gravity is negative, that is because the work is done in the opposite direction of motion. The change in potential energy is positive, because the gravitational potential energy of the ball increases as the height increases.” “The change in potential energy is positive but since wo ...
... “The work done by gravity is negative, that is because the work is done in the opposite direction of motion. The change in potential energy is positive, because the gravitational potential energy of the ball increases as the height increases.” “The change in potential energy is positive but since wo ...
Newton`s Laws
... The total momentum before an event must equal the total momentum after the event for an isolated system. where the ...
... The total momentum before an event must equal the total momentum after the event for an isolated system. where the ...
Work and power
... Spring: Work done by spring is determined by the force of the spring and the amount of displacement from the equilibrium ...
... Spring: Work done by spring is determined by the force of the spring and the amount of displacement from the equilibrium ...
DES601-Module13
... • Express energy in consistent units, typically units of length (ft). • Elevation head (h) has units of ft. • Pressure has units of lb/ft2. • If we divide p by g (62.4 lb/ft3), we get units of ft. for the pressure head. • Velocity has units of ft/sec. • velocity head is v2/2g where g = gravitational ...
... • Express energy in consistent units, typically units of length (ft). • Elevation head (h) has units of ft. • Pressure has units of lb/ft2. • If we divide p by g (62.4 lb/ft3), we get units of ft. for the pressure head. • Velocity has units of ft/sec. • velocity head is v2/2g where g = gravitational ...
Potential Energy and Work Conservative/Non
... type to another and transferred from one object to another, but the total amount is always the same. This is the principle of conservation of energy. No exception to this rule has ever been found. • The total amount of energy within any system is conserved, as long as no energy enters or leaves the ...
... type to another and transferred from one object to another, but the total amount is always the same. This is the principle of conservation of energy. No exception to this rule has ever been found. • The total amount of energy within any system is conserved, as long as no energy enters or leaves the ...
Practice TEST
... A truck weighs twice as much as a car, and is moving at twice the velocity of the car. Which statement is true about the truck’s kinetic energy compared to that of the cars’? a. The truck has 8 times the kinetic energy of the car. b. The truck has 4 times the kinetic energy of the car. c. The truck ...
... A truck weighs twice as much as a car, and is moving at twice the velocity of the car. Which statement is true about the truck’s kinetic energy compared to that of the cars’? a. The truck has 8 times the kinetic energy of the car. b. The truck has 4 times the kinetic energy of the car. c. The truck ...
introduction to energy* worksheet
... Part 3. Forms of Energy. Directions: Determine the type of energy for each form (Kinetic, Potential, or Both) and give an example. Form Definition Type (KE, PE, Example (for each or Both) type if both) Mechanical (motion) energy Thermal (heat) energy Radiant energy Electrical energy Chemical energy ...
... Part 3. Forms of Energy. Directions: Determine the type of energy for each form (Kinetic, Potential, or Both) and give an example. Form Definition Type (KE, PE, Example (for each or Both) type if both) Mechanical (motion) energy Thermal (heat) energy Radiant energy Electrical energy Chemical energy ...
Elements of Science Midterm Exam Review Answer Key
... 11. The ability to cause change is __ energy __________ 12. The energy a moving object has because of its motion is kinetic energy 13. The energy stored in an object is potential energy 14. Energy stored by something that can stretch or compress is _ elastic potential energy 15. The energy stored in ...
... 11. The ability to cause change is __ energy __________ 12. The energy a moving object has because of its motion is kinetic energy 13. The energy stored in an object is potential energy 14. Energy stored by something that can stretch or compress is _ elastic potential energy 15. The energy stored in ...
P2a Forces and Their Effects
... doesn’t disappear when you pull something hard enough to beat it. ...
... doesn’t disappear when you pull something hard enough to beat it. ...
P2a Forces and Their Effects
... doesn’t disappear when you pull something hard enough to beat it. ...
... doesn’t disappear when you pull something hard enough to beat it. ...
5.2 Physics section 5.2
... because of its position, shape, or condition of the object. Types of potential energy 1. Gravitational – due to its position in a gravitational ...
... because of its position, shape, or condition of the object. Types of potential energy 1. Gravitational – due to its position in a gravitational ...