Mechanics Of Solids (3130608) MCQs

MCQs of Fundamentals of Statics

Showing 11 to 14 out of 14 Questions
11.

The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are :

(a)

2 kgf, 3 kgf

(b)

3 kgf, 4 kgf

(c)

4 kgf, 5 kgf

(d)

5 kgf, 3 kgf

Answer:

Option (b)

12.

If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to

(a)

7 kg

(b)

1 kg

(c)

5 kg

(d)

1/7 kg

Answer:

Option (c)

13.

The resultant of two forces acting at right angles is 34 kg and acting at 60° is 70 kg. The forces are

(a)

1 kg and 4 kg

(b)

2 kg and 3 kg

(c)

3 kg and 5 kg

(d)

1 kg and 2 kg

Answer:

Option (c)

14.

The necessary condition of equilibrium of a body, is :

(a)

algebraic sum of horizontal components of all the forces must be zero

(b)

algebraic sum of vertical components of all the forces must be zero

(c)

the algebraic sum of the moments of the forces about a point must be zero

(d)

all above

Answer:

Option (d)

Showing 11 to 14 out of 14 Questions