Tiny blocks of mud sticking to a rotating cycle tyre has
Uniform acceleration
Circular motion
Periodic motion
Nonuniform motion
A car which travels through the road with different velocities in equal intervals of time is said to have
Nonuniform acceleration
Retardation
Uniform motion
m / s2 is the unit of :
speed
acceleration
displacement
time
The angular velocity of the minute hand of a clock is
π rad per second 180
π rad per second 1800
π rad per second 60
π rad per second 360
If the frequency of vibration is equal to the natural frequency of the body, then it is known as
Resonance
Reverberation
Persistence of audibility
Persistence of vision
What type of motion is the motion of tip of seconds hand of a watch?
Accelerated motion
Non uniform motion
None of these
A particle is travelling with a constant speed. This means that
its position remains constant as time passes
it covers equal distances in equal time intervals
its acceleration is zero
it does not change its direction of motion
If a bucket containing water is kept revolving at a high speed in a vertical circle, the water does not spill. It gets
Centripetal force
Magnetic force
Gravitational force
Velocity is a
scalar quantity
vector quantity
Both scalar and vector
none of these
Hertz is the unit of
Frequency
Wavelength
Amplitude
Displacement
