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