Question

yrr mai dekh rahi hu brainly pe sabki setting chal ri hai bhai kya bat hai​

Answer 1

Answer:

Pressure is the amount of force acting per unit area. That is, P=F/A.

where:

p is the pressure,

F is the normal force,

A is the area of the surface on contact. Let us consider A = πr  

2

.

Therefore,  

πr  

1

​  

 

2

 

F  

1

​  

 

​  

=  

πr  

2

​  

 

2

 

F  

2

​  

 

​  

.

In this case,  

20  

2

 

1500

​  

=  

1  

2

 

W

​  

,W=3.75kg.

Hence, weight to be placed on the small piston sufficient to lift a car of mass 1500 kg is 3.75 kg.