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When the player hits the golf ball, which of the following is generated?
a) balanced forces              

b) an unbalanced force
c) zero net force  

d) zero pressure


B

What happened to the body when an unbalanced force acting on an object?
a) the object stop moving 
b) the object start moving
c) both a and b                    

d) none of both

B

Pressure:

Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Gauge pressure is the pressure relative to the ambient pressure. Various units are used to express pressure.


Why blunt knife cannot cut meat if the same force or even greater force is applied as compared to a sharp knife?
a) the acting area is same                 
b) the acting area is reduced
c) the acting area is increased
d) none of these

c

Why a sharp knife can cut meat easily if the same force or less force is applied as compared to a blunt knife?
a) the acting area is same                 
b) the acting area is reduced
c)the acting area is increased

d) none of these


b

When the pressure will be greater?
a) when force is greater     
b) when the area upon which force acting is small
c) when force is lower        

d) both a and b

d