Work and Energy — PHYSICS STD 6 — Question

Give reason why water stored in a dam has potential energy.

Boats and ships have streamlined shapes.

Mr Raman wants to use a permanent magnet to get the backyard of his factory cleared of junk. How can you convince Mr Raman to use an electromagnet instead of a permanent one ? What will happen if he does not follow your advice ?

Identify the agent exerting the force, the object on which the force is acting and the effect of the force in the following situation
Taking out ointment from a medicinal tube.

Draw a diagram to show the magnetic field of earth. Mark the geographic north, geographic south, magnetic north and the magnetic south in your diagram.

Define kinetic energy and give an example of a body possessing kinetic energy.

Give reason :
The odour of scent spreads in a room.

Why are multiples and submultiples of SI units required?

Solve the following numerical problem.
The length of the load arm of a lever is 6 m long and the effort arm is 3 m long. What is the effort required to lift a load of 40 N?

What is an eclipse? Name the two types of eclipses.