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1.
According to principle of transmissibility of forces, the effect of a force upon a body is

2.
If a number of forces act simultaneously on a particle, it is possible

3.
If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella

4.
Which of the following do not have identical dimensions ?

5.
A single force and a couple acting in the same plane upon a rigid body

6.
Two coplanar couples having equal and opposite moments

7.
A number of forces acting at a point will be in equilibrium if

8.
Coefficient of friction is the

9.
Tangent of angle of friction is equal to

10.
Angle of friction is the

11.
The magnitude of two forces, which when acting at right angle produce resultant force of lO lbs and when acting at 60° produce resultant of l3 lbs. These forces are

12.
The ratio of limiting friction and normal reaction is known as

13.
A skier wishes to build a rope tow to pull herself up a ski hill that is inclined at 15° with the horizontal. Calculate the tension needed to give the skier’s 54-kg body an acceleration of 1.2 m/s2. Neglect friction

14.
A framed structure is perfect if it contains members equal to

15.
Forces are called concurrent when their lines of action in

16.
The unit of force in S.I. units is

17.
D' Alembert's principle is used for

18.
A cable with a uniformly distributed load per horizontal meter run will take the following shape

19.
On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be (a) towards the wall at its upper end

20.
Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one

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