Which of the following characteristics would you expect the north pacific gyre to have?
clockwise rotation
counter-clockwise rotation
southward flow into the southern ocean
northward flow into the arctic ocean

In a vernier instrument the main scale is in 1/2 mm divisions .vernier is made by redividing 19 such divisions into 20 equal parts. calculate the least count of the instrument.

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

When solid surfaces slide over each other the kind of friction that occurs is called friction