# Applied Mechanics - Part 1 Online Exam Quiz

Applied Mechanics - Part 1 GK Quiz. Question and Answers related to Applied Mechanics - Part 1. MCQ (Multiple Choice Questions with answers about Applied Mechanics - Part 1

### The centre of gravity of a triangle is at the point where three

**Options**

A : medians of the triangle meet

B : perpendicular bisectors of the sides of the triangle meet

C : bisectors of the angle of the triangle meet

D : none of these.

### The forces which meet at one point and have their lines of action in different planes are called

**Options**

A : coplaner non-concurrent forces

B : non-coplaner concurrent forces

C : non-coplaner non-current forces

D : intersecting forces

### At a given instant ship A is travelling at 6 km/h due east and ship B is travelling at 8 km/h due north. The velocity of B relative to A is

**Options**

A : 7 km/hrs

B : 2 km/hrs

C : 1 km/hrs

D : 10 km/hrs

### The equation of motion of a particle starting from rest along a straight line is x = t 3 - 3 t 2 + 5. The ratio of the accelerations after 5 sec and 3 sec will be

**Options**

A : 2

B : 3

C : 4

D : 5

### The locus of the instantaneous centre of a moving rigid body, is

**Options**

A : straight line

B : involute

C : centroid

D : spiral.

### A projectile is thrown at an angle a to the horizontal with ? velocity v . It will have the maximum centripetal acceleration

**Options**

A : at the start

B : at the top of the trajectory

C : as it strikes the ground

D : else where.

### The unit of Moment of Inertia of a body, is

**Options**

A : m

B : m 2

C : m 3

D : m 4

### If a body moves in such a way that its velocity increases by equal amount in equal intervals of time, it is said to be moving with

**Options**

A : a uniform retardation

B : a uniform acceleration

C : a variable acceleration

D : a variable retardation

### If the gravitational accelerational at any place is doubled, the weight of a body, will

**Options**

A : be reduced to half

B : be doubled

C : not be affected

D : none of these.

### A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be

**Options**

A : 200 tonnes at the centre

B : 500 tonnes at the centre

C : 200 tonnes at the right support

D : 200 tonnes at the left support.

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