Q.1
A rigid link is one which does not undergo any deformation while transmitting motion.
  • movable link
  • flexible link
  • rigid link
  • fluid link
Q.2
If two moving elements have surface contact in motion, such pair is known as
  • sliding pair
  • rolling pair
  • surface pair
  • lower pair
Q.3
Which of the following disciplines provides study of inertia forces arising from the combined effect of the mass and motion of the parts?
  • theory of machines
  • applied mechanics
  • kinematics
  • kinetics
Q.4
Which of the following disciplines provides study of relative motion between the parts of a machine?
  • theory of machines
  • applied mechanics
  • kinematics
  • kinetics
Q.5
The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as
  • turning pair
  • rolling pair
  • sliding pair
  • spherical pair
Q.6
The SI unit for length or distance is
  • foot (ft)
  • inch (in)
  • mile (mi)
  • meter (m)
Q.7
The SI unit for time is
  • second (s)
  • minute (min)
  • hour (hr)
  • year (yr)
Q.8
What is the SI unit for acceleration?
  • m/s
  • m
  • m/s2
  • s
Q.9
What is the SI unit for speed and velocity?
  • Km
  • s
  • m/s
  • m/s2
Q.10
How much time would it take for an object to fall 4.7 meters?
  • 0.959 s
  • 4.79 s
  • 0.979 s
Q.11
If a car is traveling forward atm/s, how fast will it be going in 1.2 seconds if the acceleration is -m/s2?
  • 27 m/s
  • 3 m/s
  • -27 m/s
  • -3 m/s
Q.12
A boat travels 12.0 m while it reduces its velocity from 9.5 m/s to 5.5 m/s. What is the magnitude of the boat’s acceleration while it travels the 12.0 m?
  • 1.3 m/s2
  • 2.5 m/s2
  • 3.0 m/s2
  • 7.5 m/s2
Q.13
An airplane lands on a runway with a velocity ofm/s. How far will it travel until it stops if its rate of deceleration is constant at -3 m/s2?
  • 525 m
  • 3750 m
  • 6235 m
  • 9813 m
Q.14
A ball is thrown downward from the top of a roof with a speed ofm/s. After 2 s, its velocity will be:
  • 19.6 m/s
  • -5.4 m/s
  • -44.6 m/s
  • 44.6 m/s
Q.15
A change in velocity over time is known as:
  • acceleration
  • constant speed
  • average speed
  • displacement
Q.16
The speedometer on your car tells you
  • average velocity
  • instantaneous velocity
  • average speed
  • instantaneous speed
Q.17
A cheetah travelsm in 3 s. What is her velocity over the interval?
  • 225 m/s
  • 25 m/s
  • 0.04 m/s
Q.18
An object is NOT accelerating if it is moving
  • in a circle
  • at constant velocity
  • at increasing speed
  • only as influenced by gravity
Q.19
Speed is a __________ quantity and velocity is a __________ quantity.
  • scalar, vector
  • vector, scalar
Q.20
A _________ quantity is completely described by magnitude alone. A _________ quantity iscompletely described by a magnitude with a direction.
  • vector, scalar
  • scalar, vector
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