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Physical Science: Potential Energy - Class - XI

Description: Physical Science: Potential Energy - Class - XI,Physics,Science
Number of Questions: 8
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Tags: physics science
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If GPE (Gravitational PE) = mass x gravity x height, what constant value is for Earth's gravity

  1. 8.9 m/s2

  2. 98 Joules

  3. 7.8 Newtons

  4. 9.8 m/s2


Correct Option: D

An object’s kinetic energy is 50J and the energy is 120J, its total mechanical energy is?

  1. 70 J

  2. 170 J

  3. 2.4 J

  4. 6000 J


Correct Option: B

What formula is used to calculate total mechanical energy (TME)?

  1. TME = Kinetic Energy + Potential Energy

  2. TME = Kinetic Energy x Potential Energy

  3. TME = Kinetic Energy ÷ Potential Energy

  4. TME = Kinetic Energy x Potential Energy x Gravity


Correct Option: A

Mechanical potential energy depends on what condition?

  1. and object's ability to stretch

  2. and object's ability to compress

  3. and object's position

  4. an object's magnetism


Correct Option: C

A battery being stored in a drawer has what type of potential energy (PE)?

  1. gravitational PE

  2. chemical PE

  3. elastic PE

  4. mechanical PE


Correct Option: B

A pencil that is about to fall off of a desk has which specific type of potential energy (PE)?

  1. chemical PE

  2. gravitational PE

  3. elastic PE

  4. compressed PE


Correct Option: B

What specific type of potential energy does a rubber band stretched around a newspaper have?

  1. chemical potential energy

  2. gravitational potential energy

  3. elastic potential energy

  4. compressed potential energy


Correct Option: C

When an object has energy because of its position, condition, or chemical makeup, it has _____.

  1. kinetic energy

  2. gravitational energy

  3. thermal energy

  4. potential energy


Correct Option: D
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