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?
Elastic potential energy
Kinetic energy
Thermal energy
Chemical energy
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Which energy store increases when an object is lifted 1.5 m above the ground?
Chemical
Thermal
Gravitational potential
Nuclear
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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.
0 J
20 W
20 J
0 W
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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
kinetic → gravitational potential
thermal → kinetic
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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?
electrically
radiation
mechanically
heating
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