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Grade: 11

                        

a man pulls a roller by a force of 20 kgf applied at 60 degree with the ground.if he pulls it a distance of 10 metre in 1 minute .calculate the power dissipated

2 years ago

Answers : (2)

Trishna mondal
10 Points
							
588 kilowat
 
 
2 years ago
riya Dutta
13 Points
							
Power=Fcos60*10/time=20*10*1/2*10/60=100/6=16.67Watt
This is because the component of force is Fcos60 along the direction of motion 
Also F is to be expressed in Newton so 20*g or 20*10
one year ago
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