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WorksheetsComprehension - Engineering Mechanics
Total questions: 30
Worksheet time: 21mins
The forces on this chandelier are...
Gravity
Gravity and Normal
Gravity and Tension
Gravity, Tension, Friction, and Applied
Considering Man as free body diagram, how many forces does the figure has ? (Consider the Weight of the man and rope weight)
2
3
4
5
The figure shows a pin-jointed plane truss loaded
at the point M by hanging a mass of 100 kg. The
member LN of the truss is subjected to a load of__
Zero
490 N in Compression
981 N in Compression
981 N in Tension
Two forces of 500 N and 600 N are acting simultaneously at a point. If the angle between them is 60 degree then the resultant of these two forces is
781 N
954 N
1063 N
881 N
A frictionless pulley and rope arrangement is shown below, then the holding load by the person will be__
178.91 N
392.41 N
298.71 N
40 N
The supports which apply force on the body in only one direction and the direction is always normal to the contacting surface is known as ___
Fixed support
Hinged support
Roller support
All of these
A spring scale indicates a tension T in the right hand cable of the pulley system shown in figure. Neglecting the mass of the pulleys and ignoring friction between the cable and pulley the mass m is
2T/g
4T/g
2T.g
4T.g
If point A is in equilibrium under the action of the applied forces, the values of tension TAB and TAC are respectively
300 N and 520 N
520 N and 300 N
420 N and 300 N
420 N and 320 N
A horizontal force of 200 N is applied at 'A' to lift the weight 'W' at C as shown in the given figure. The value of weight 'W' will be
200 N
400 N
600 N
800 N
The reaction (in kN) at the support 'A' for the beam shown in the given figure is ___
18
1.8
2.8
0.8
The figure shown is an example of
Coplanar concurrent forces
Coplanar non-concurrent forces
Non-Coplanar concurrent forces
Non-Coplanar Non-concurrent forces
Considering the weight of the bar acting at the center touching the smooth wall at A and B. How many forces will there be for the bar ?
4
6
3
2
What is the centroid of the following object?
X=2 in, Y=1 in
X=1 in, Y=2 in
X=4 in, Y=2 in
X=2 in, Y=4 in
What is the centroid of the following object?
X=1.27 in, Y=3 in
X=3 in, Y=1.27 in
X=3 in, Y=3 in
X=2.55 in, Y=3 in
What to we call forces applied to anything that turns?
Minute
Moment
Minimum
Monument
The centroid in Y for the figure is
3b
3h
32b
32h
Which graph(s) represents a constant velocity?
a and c
b and c
c
a and b
A car goes from rest to 30 m/s. If it takes the car 40 seconds to reach that speed then what is the car's rate of acceleration?
1.33 m/s2
0.75 m/s2
10 m/s2
0 m/s2
Identify the type of support from the given image
Fixed support
Simple Support
Hinged Support
Roller support
Friction _____________ motion
Works in the same direction as
Opposes
Has not effect on
Pulls against
The maximum angle of friction is the angle made by resultant reaction from normal reaction when
frictional force is static
frictional force is dynamic
frictional force is limiting
None of the choices
Theorem of perpendicular axis ____
Izz= Ixx+ Iyx
Izz= Izz+ Iyy
Izz= Ixy+ Iyy
Izz= Ixx+ Iyy
•Moment of inertia of rectangular section___
(bd4)/12
(bd3)/12
(bd3)/32
(bd3)/14
Moment of inertia is given by ___
volume x (distance)2
Area x (distance)3
Area x (distance)
Area x (distance)2
