Welcome to the Quiz!
This quiz contains 5 questions from a mix of 1 subtopics.
What type of energy is stored in the string of a bow when it is pulled back?
Chemical energy
Elastic potential energy
Thermal energy
Kinetic energy
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Which energy store increases when an object is lifted 1.5 m above the ground?
Thermal
Chemical
Nuclear
Gravitational potential
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A ball lifted 1.5 m above the ground has 20 J of gravitational potential energy. The ball is dropped.
What is the kinetic energy of the ball just before it hits the ground? Ignore air resistance.
20 J
0 W
20 W
0 J
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Which of the following shows the useful energy transfer that takes place when a battery powered toy car travels across the floor?
chemical → kinetic
chemical → thermal
thermal → kinetic
kinetic → gravitational potential
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A toy car has a spring which stores elastic potential energy. When released, the toy car moves across the floor.
Which of the following is the energy transfer mechanism for the toy car?
mechanically
radiation
electrically
heating
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