Physics Test 36

Total Questions: 26

1 - Fx=____

A ) F Cos ∅ ✅
B ) F Sin∅
C ) F Cot ∅
D ) F Tan ∅

2 - Fy =____

A ) F Cos ∅
B ) F Sin ∅ ✅
C ) F Cot ∅
D ) F Tan∅

5 - If the body does not change its shape under forces than the body is called

A ) Soft body
B ) Elastic body
C ) Rigid body ✅
D ) None of these

6 - A line joining the centres of circles made by particles

A ) Axis of rotation
B ) Line of action
C ) Moment arm ✅
D ) Torque

7 - Turning effect of forces is called

A ) Axis of rotation ✅
B ) Line of action
C ) Moment arm
D ) Torque

8 - The line along which a force acts is called

A ) Axis of rotation
B ) Line of action
C ) Moment arm
D ) Torque ✅

9 - The product of force and moment arm is called

A ) Axis of rotation
B ) Line of action ✅
C ) Moment arm
D ) Torque

11 - The nut is tighten by revolving the

A ) Clock wise
B ) Anti clock wise ✅
C ) Straight
D ) Both a and b

12 - The nut is loosen by revolving the

A ) Clock wise ✅
B ) Anti clock wise
C ) Straight
D ) Both a and b

14 - The point of the body where its whole weight acting vertically downward is called.

A ) Centre of mass
B ) Centre of gravity
C ) Weight ✅
D ) Torque

15 - Centre of gravity of uniform rod is

A ) Center of rod
B ) Corner of the rod ✅
C ) Any point of the rod
D ) None of these

16 - Center of gravity of triangle is

A ) Point of intersection of its diagonals ✅
B ) Point of intersection of its medians
C ) Central point
D ) Central point of axis

17 - Centre of gravity of square and rectangle is

A ) Point of intersection of its diagonals
B ) Point of intersection of its medians ✅
C ) Central point
D ) Central point of axis

18 - Centre of gravity of round plate is

A ) Centre of plate ✅
B ) Corner of plate
C ) Any point of the plate
D ) None of these

19 - Centre of gravity of solid or hollow

A ) Centre of ✅
B ) Corner of
C ) Any point of
D ) None of these

20 - Centre of gravity of uniform solid or hollow cylinder is

A ) Centre of cylinder ✅
B ) Central point of its axis
C ) Any point of cylinder
D ) Intersection of point of medias

21 - Centre of gravity of irregular object can be found by

A ) Plumb line ✅
B ) Head to tail rule
C ) Tail to tail rule
D ) None

22 - Two unlike parallel but opposite forces which are not acting on same line make

A ) Couple ✅
B ) Torque
C ) Momentum
D ) Centre of gravity

23 - The perpendicular distance b/w couple forces is called

A ) Momentum arm
B ) Couple arm ✅
C ) Axis of rotation
D ) Line of rotation

24 - Couple torque =____

A ) F × L
B ) F × AB ✅
C ) F/A
D ) F/AB

25 - A body is in equilibrium when it is in

A ) Uniform motion
B ) Rest
C ) Both a and b
D ) Variable motion

26 - Condition of equilibrium is/are

A ) 1
B ) 2 ✅
C ) 3
D ) 4