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Q 1/19
Score 0
energy that is due to chemical bonds
45
gravitational potential energy
kinetic energy
potential energy
chemical potential energy
Q 2/19
Score 0
machine that is a combination of two or more simple machines
45
common machine
simple machine
compound machine
complex machine
19 questions
Q.
energy that is due to chemical bonds
1
45 sec
Q.
machine that is a combination of two or more simple machines
2
45 sec
Q.
ratio of the output work done by the machine to the input work done on the machine, expressed as a percentage
3
45 sec
Q.
energy that is stored by compressing or stretching an object
4
45 sec
Q.
the ability to cause change, measured in Joules (J)
5
45 sec
Q.
energy that is due to the gravitational force between objects
6
45 sec
Q.
SI unit of energy
7
45 sec
Q.
energy a moving object has because of its motion; determined by the mass and speed of the object
8
45 sec
Q.
energy can never be created or destroyed
9
45 sec
Q.
simple machine consisting of a bar free to pivot about a fixed point called the fulcrum
10
45 sec
Q.
device that makes doing work easier by increasing the force applied to an object, changing the direction of an applied force, or increasing the distance over which a force can be applied
11
45 sec
Q.
ratio of the output force exerted by a machine to the input force applied to the machine
12
45 sec
Q.
sum of the potential energy and kinetic energy of the objects in a system
13
45 sec
Q.
energy that is stored due to the interactions between objects
14
45 sec
Q.
amount of work done, which is the amount of energy transferred, divided by the time required to do the work or transfer the energy
15
30 sec
Q.
machine that does work with only one movement
16
45 sec
Q.
lever, pulley, wheel and axle, inclined plane, screw, and wedge
17
45 sec
Q.
a region or set of regions around which a boundary can be defined
18
45 sec
Q.
transfer of energy when a force is applied over a distance; measured in joules
