Advertisements
Advertisements
Question
Earth moves around the sun with uniform velocity.
Options
True
False
Advertisements
Solution
This statement is false.
RELATED QUESTIONS
Why is the motion of a body moving with a constant speed around a circular path said to be accelerated?
Is it possible to have an accelerated motion with a constant speed? Name such type of motion.
The motion of the moon around the earth in a circular path is an accelerated motion.
Define Uniform circular motion.
Answer the following question.
Show that its time period is given by, 2π`sqrt((l cos theta)/("g"))` where l is the length of the string, θ is the angle that the string makes with the vertical, and g is the acceleration due to gravity.
Which one of the following is most likely not a case of uniform circular motion?
A uniform rod of length '6L' and mass '8 m' is pivoted at its centre 'C'. Two masses 'm' and ' 2m' with speed 2v, v as shown strikes the rod and stick to the rod. Initially the rod is at rest. Due to impact, if it rotates with angular velocity 'w1' then 'w' will be ________.
Certain neutron stars are believed to be rotating at about 1 rev/s. If such a star has a radius of 1.6 km, the acceleration of an object on the equator of the star will be nearly ____________.
A particle is perfonning uniform circular motion. If 'θ', 'ω', 'α' and ' a' are its angular displacement, angular velocity, angular acceleration, and centripetal acceleration respectively, then which of the following is 'WRONG'?
Two particles P and Q are moving in concentric circles of rarui rp and rQ respectively. If their period of revolutions are in ratio 2 : 3, then ratio of their centripetal acceleration is ____________.
The angular speed of the minute hand of a clock in degrees per second is ______.
In uniform motion, an object travels equal ______ in ______ interval of time.
A rod PQ of mass M and length L is hinged at end P. The rod is kept horizontal by a massless string tied to point Q as shown in figure. When string is cut, the initial angular acceleration of the rod is ______.
A thin uniform circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with an angular velocity ω. Another disc of same dimensions, but of mass `1/4`M is placed gently on the first disc co-axially. The. angular velocity of the system is ______.
The kinetic energy K of a particle moving along a circle of radius R depends on the distance covered s as K = as2, where a is a constant. The force acting on the particle is ______.
Explain the meaning of uniform circular motion.
In uniform circular motion, although the speed is constant, why does acceleration occur?
In uniform circular motion, although the speed is constant, why does acceleration occur?
The relationship between an object's linear velocity (v) and its angular velocity (ω) in a circular path of radius (r) is given by:
