Q.61)-In a projectile motion, a large angle with the horizontal produces
  • Flat trajectory
  • Curve trajectory
  • Straight trajectory
  • High trajectory
Q.62)-Motion of a train is an example of
  • Rotatory motion
  • Spin motion
  • Projectile motion
  • Translatory motion
Q.63)-……….is a pair of forces, equal in magnitude, oposite directed and displaced by perpendicular distance or moment.
  • Bond
  • Couple
  • Pair
  • Duo
Q.64)-A large force on a rotating body results in larger.
  • Mass
  • Torque
  • Axis of rotation
  • Centre of mass
Q.65)-If an object moves in a purely rotatory motion, then each constituent particle of the body moves in a circle, the centre of which is located on a line is called
  • The axis of rotation
  • The line of rotation
  • The spinning rod
  • The fixed line
Q.66)-The mass of an object
  • Changes from place to place
  • Remains same everywhere
  • Is equal to its weight
  • Is greater at mountains
Q.67)-What is the SI unit of Torque?
  • Newton/meter
  • Newton meter
  • Newton second
  • Newton/meter squared
Q.68)-If a body moves with a uniform speed in a circular motion, then
  • Its acceleration is increasing
  • Its acceleration is zero
  • Its velocity is changing
  • Its velocity is uniform
Q.69)-In projectile motion, the total flight time is
  • Equal to the time required to reach the maximum height
  • Thrice the time required to reach the maximum height
  • Four times the time required to reach the maximum height
  • Twice the time required to reach the maximum height
Q.70)-What is the direction of torque?
  • Perpendicular to the direction of applied force
  • Same as the direction of applied force
  • Opposite to the direction of applied force
  • Parallel to the radius