Available Answers

1. 1.

   Multiple Choice Questions (MCQs). Tick (√) the right option:

   1. Simple machine makes our work 
      1. Harder
      2. Easier
      3. Both
      4. None of these
   2. A push or a pull of an object is called
      1. Energy
      2. Work
      3. Force
      4. All of the above
   3. __________ is a renewable source of energy.
      1. Sun
      2. Coal
      3. Oil
      4. None of these
   4. Energy obtained from human wastes is
      1. Biogas
      2. Ocean
      3. Solar
      4. None of these
2. 2.

   Fill in the blanks with the given words:

   loads

   sun

   work

   wedge

   force

   1. The ability to do __________ is called energy.
   2. Movable pulleys are used to lift __________.
   3. A __________ is made up of two inclined planes.
   4. Living being get energy from __________.
   5. A push or a pull of an object is called __________.
3. 3.

   Write 'T' for true or 'F' for false:

   1. Sun is the main source of solar energy.
   2. Liver is a bar which can turn about one point.
   3. A pulley is made up of two inclined planes.
   4. Machine makes our work harder.
   5. Rubbing both hands create frictional force.
4. 4.

   What is Force?
5. 5.

   Name different types of force.
6. 6.

   What is energy?