500 Best Applied Mechanics MCQ
Top 500 MCQs on Applied Mechanics
This section contains MCQs/ Objective Type Questions of Applied Mechanics for various competetive Exams like HPPSC HPSSC HPSSSB and other exams
Q1). The centre of gravity of a triangle is at the point where three
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.
Correct Answer:
medians of the triangle meet
Explanation:
Q2). The forces which meet at one point and have their lines of action in different planes are called
a).coplaner non-concurrent forces
b).non-coplaner concurrent forces
c).non-coplaner non-current forces
d).intersecting forces
Correct Answer:
non-coplaner concurrent forces
Explanation:
Q3). 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
a).7 km/hrs
b).2 km/hrs
c).1 km/hrs
d).10 km/hrs
Correct Answer:
10 km/hrs
Explanation:
Q4). The equation of motion of a particle starting from rest along a straight line is x = t^3- 3t^2 + 5. The ratio of the accelerations after 5 sec and 3 sec will be
a).2
b).3
c).4
d).5
Correct Answer:
2
Explanation:
Q5). The locus of the instantaneous centre of a moving rigid body, is
a).straight line
b).involute
c).centroid
d).spiral.
Correct Answer:
centroid
Explanation:
Q6). A projectile is thrown at an angle a to the horizontal with α velocity v. It will have the maximum centripetal acceleration
a).at the start
b).at the top of the trajectory
c).as it strikes the ground
d).else where.
Correct Answer:
at the start
Explanation:
Q7). The unit of Moment of Inertia of a body, is
a).m
b).m2
c).m3
d).m4
Correct Answer:
m4
Explanation:
Q8). 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
a).a uniform retardation
b).a uniform acceleration
c).a variable acceleration
d).a variable retardation
Correct Answer:
a variable acceleration
Explanation: