Question

workdone numericals
class 9
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Answer 1

Answer:

Solved Example Problems for Work and Work done by a force

A box is pulled with a force of 25 N to produce a displacement of 15 m. ...

Work done, W = Fdr cosθ

An object of mass 2 kg falls from a height of 5 m to the ground. ...

Work done by gravitational force is.

The object also moves downward which is in the direction of gravitational force ( ) as shown in figure.

More items...•26-Jun-2018

Answer 2

Answer:

are you want questions

I am also from class 9