Forces Chapter 4 Question Preview (ID: 32981)
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What is nuclear fusion?
a) When nuclei of atoms join together
b) When nuclei of atoms spilt apart
c) When the RNA join together
d) When the RNA split apart
In a machine friction always creates what type of energy?
a) Thermal energy
b) kinetic energy
c) gravitational potential
d) chemical energy
What says energy cannot be created or destroyed?
a) Law of Conservation of Energy
b) Law of Energy
c) Law of Gravity
d) Law of Gravitional Potential
If a motorcycle and a truck are moving the same speed; why does the truck has great kinetic energy ?
a) It has greater mass
b) It looks better
c) It has less mass
d) It's bigger
What energy is calculated by adding kinetic and potential energies?
a) Mechanical Energy
b) Thermal Energy
c) Gravity Energy
d) Electromagnetic Energy
What is power?
a) The rate at which energy is transferred
b) The rate at which thermal energy is transferred
c) The rate at which kinetic energy is transferred
d) The rate a which gravity energy is transferred
What is potential energy that depends on height?
a) Gravitational Potential Energy
b) Elastic Potential Energy
c) Kinetic Energy
d) Mechanical Energy
What transformation takes place when natural gas heats water?
a) Chemical energy to thermal energy
b) Thermal energy to chemical energy
c) Mechanical energy to chemical energy
d) Chemical energy to mechanical energy
What stores chemical energy?
a) Microwave
b) Match
c) Lighter
d) Fire
What is energy measured in?
a) Joules
b) Newtons
c) Pounds
d) Meters
What is energy?
a) The ability to do work
b) The ability to breath
c) The ability to lift heavy thing
d) The ability to run
What type of energy does a pendulum have at it's end points?
a) Potential energy
b) Kinetic energy
c) Mechanical energy
d) Electromagnetic
What is mechanical energy?
a) It's associated with motion and position
b) It's in the nucleus of atoms
c) It's in chemical bonds
d) It's in moving charges
What is chemical energy?
a) It's in chemical bonds that holds compounds together
b) It's in the nucleus of atoms
c) The energy of radiation
d) The energy of moving charges or electric current
What is electromagnetic energy?
a) The energy of radiation which includes visible light and microwaves
b) The energy in the nucleus of atoms
c) The energy of motion and position
d) The energy in chemical bonds
What type of energy does a spinning turbine have?
a) Mechanical energy
b) Kinetic energy
c) Potential energy
d) Thermal energy
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