Question

C. Write 'True' or 'False'.
1. Magnets attract things made of any metal.
2. People oil their bicycles to make them shine.
3. The work you do depends only on the amount of force you use.
4. Energy is the capacity to do work.
5. Animals get the energy to run from the food they eat.​

Answer 1

Answer:

1. true

2. false

3. true

4. true

5. false

Answer 2

Required Answers:

1. Magnets attract things made of any metal.

This statement is false.

=> Magnets attract towards some special metals only. They are: Iron, cobalt and nickel are magnetic.

2. People oil their bicycles to make them shine.

This statement is false.

=> People oil their bicycles to make them non-corrosive. It is known as lubricant. Lubrication protects moving parts from excessive wear caused by friction,

3. The work you do depends only on the amount of force you use.

This statement is true.

=> Work done depends on the force applied and the perpendicular distance between the fulcrum and the point of action of force.

4. Energy is the capacity to do work.

This statement is true.

=> Energy is known as the capacity or the ability to do work.

5. Animals get the energy to run from the food they eat.

This statement is true.

=> Animals as well as humans get energy from the food they eat. Glucose, found in the food animals eat, is broken down during the process of cellular respiration into an energy source called ATP.

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