When a ball rolls on a smooth level ground, the motion of...
When a ball rolls on a smooth level ground, the motion of its center is
translational
oscillatory
random
rotational
Correct answer is A
A ball rolling along a smooth surface observes translational motion at the center while the rest of the body rotates round the center.
Which of the units of the following physical quantities are derived? I. Area II. Thrust III. Pres...
Determine the distance between the consecutive antinodes XX if the wavelength is 60cm ...
Which of the following statements is not correct? Isotopes of an element have ...
Which of the following is a percussion instrument? ...
The basic principle of operation of a beam balance is----------------- ...
The pressure of a fixed mass of an ideal gas at 27°C is 3 pa. The gas is heated at a constant vo...