Physics MCQs:

1)    The to and fro motion about a mean position of a body is called

a)     Linear motion

b)    Vibratory motion

c)     Rotational motion

d)    None of these

2)    When the mass attached to the spring is displaced through a distance x, the force exerted on the spring is

a)     F=K x

b)    F= K x²

c)     F= ½  K x²

d)    F= K² x

3)    The opposing force exerted by the spring on the mass is called

a)     Frictional force

b)    Dragging force

c)     Restoring force

d)    None of these

1.b

2.a

3.c