FROM EQUILIBRIUM TO EXCELLENCE:
A+ STUDY TOOLKIT FOR ENGINEERING
MECHANICS – RR 2026/2027
The moment of inertia of a plane figure:
A. increases as the distance of the axis moves farther from the
centroid
B. is maximum at the centroidal axis
C. is zero at the centroidal axis
D. decreases as the distance of the axis moves farther from the
centroid - THE CORRECT ANSWER-A. increases as the distance of the
axis moves farther from the centroid
To maximize the horizontal range of the projectile, which of the
following applies?
A. maximize velocity
B. maximize the angle of elevation
C. maximize the angle of elevation and velocity
D. the tangent function of the angle of trajectory must be equal
to 1 - THE CORRECT ANSWER-D. the tangent function of the angle of
trajectory must be equal to 1
,Moment of Inertia of any plane figure is expressed in units of
length to the ______
A. first power
B. second power
C. third power
D. fourth power - THE CORRECT ANSWER-D. fourth power
A branch of physical science which deals with state of rest or
motion of bodies under the action of forces
A. Mechanics
B. Kinetics
C. Kinematics
D. Statics - THE CORRECT ANSWER-A. Mechanics
A branch of mechanics which deals with bodies at rest
A. Statics
B. Dynamics
C. Kinetics
D. Kinematics - THE CORRECT ANSWER-A. Statics
The branch of mechanics which deals with bodies in motion is
known as
,A. Statics
B. Dynamics
C. Kinetics
D. Kinematics - THE CORRECT ANSWER-B. Dynamics
The action of a force is characterized by
A. its magnitude
B. the direction of its action
C. point of application
D. all of the above - THE CORRECT ANSWER-D. all of the above
For a system to be in equilibrium
A. the force polygon must be close
B. all forces must be concurrent, if not acting parallel
C. it must satisfy the 3 static equations
D. all of the above - THE CORRECT ANSWER-D. all of the above
A pair of forces equal in magnitude, opposite in direction, and
not in the same line is called______
A. moment
B. torque
C. couple
, D. all of the above - THE CORRECT ANSWER-C. couple
The ______ exerted by a force on a body is the measure of its
effectiveness in turning the body about a certain pivot.
A. moment arm
B. torque
C. couple
D. all of the above - THE CORRECT ANSWER-B. torque
A body is said to be in rotational equilibrium when
A. no net torque acts on it
B. no net force acts on it
C. its vector sum of the forces is zero
D. the forces acting on the body are non-concurrent - THE CORRECT
ANSWER-A. no net torque acts on it
A couple consists of two forces _____ in magnitude, parallel
and oppositely directed
A. directly proportional
B. Equal
C. Unequal
D. inversely proportional - THE CORRECT ANSWER-B. Equal
A+ STUDY TOOLKIT FOR ENGINEERING
MECHANICS – RR 2026/2027
The moment of inertia of a plane figure:
A. increases as the distance of the axis moves farther from the
centroid
B. is maximum at the centroidal axis
C. is zero at the centroidal axis
D. decreases as the distance of the axis moves farther from the
centroid - THE CORRECT ANSWER-A. increases as the distance of the
axis moves farther from the centroid
To maximize the horizontal range of the projectile, which of the
following applies?
A. maximize velocity
B. maximize the angle of elevation
C. maximize the angle of elevation and velocity
D. the tangent function of the angle of trajectory must be equal
to 1 - THE CORRECT ANSWER-D. the tangent function of the angle of
trajectory must be equal to 1
,Moment of Inertia of any plane figure is expressed in units of
length to the ______
A. first power
B. second power
C. third power
D. fourth power - THE CORRECT ANSWER-D. fourth power
A branch of physical science which deals with state of rest or
motion of bodies under the action of forces
A. Mechanics
B. Kinetics
C. Kinematics
D. Statics - THE CORRECT ANSWER-A. Mechanics
A branch of mechanics which deals with bodies at rest
A. Statics
B. Dynamics
C. Kinetics
D. Kinematics - THE CORRECT ANSWER-A. Statics
The branch of mechanics which deals with bodies in motion is
known as
,A. Statics
B. Dynamics
C. Kinetics
D. Kinematics - THE CORRECT ANSWER-B. Dynamics
The action of a force is characterized by
A. its magnitude
B. the direction of its action
C. point of application
D. all of the above - THE CORRECT ANSWER-D. all of the above
For a system to be in equilibrium
A. the force polygon must be close
B. all forces must be concurrent, if not acting parallel
C. it must satisfy the 3 static equations
D. all of the above - THE CORRECT ANSWER-D. all of the above
A pair of forces equal in magnitude, opposite in direction, and
not in the same line is called______
A. moment
B. torque
C. couple
, D. all of the above - THE CORRECT ANSWER-C. couple
The ______ exerted by a force on a body is the measure of its
effectiveness in turning the body about a certain pivot.
A. moment arm
B. torque
C. couple
D. all of the above - THE CORRECT ANSWER-B. torque
A body is said to be in rotational equilibrium when
A. no net torque acts on it
B. no net force acts on it
C. its vector sum of the forces is zero
D. the forces acting on the body are non-concurrent - THE CORRECT
ANSWER-A. no net torque acts on it
A couple consists of two forces _____ in magnitude, parallel
and oppositely directed
A. directly proportional
B. Equal
C. Unequal
D. inversely proportional - THE CORRECT ANSWER-B. Equal
