System of Parti...

The point through which the total weight of an object appears to act for any orientation of the object is ______.

Two bodies of unequal masses possess the same momentum. Which of the following can be concluded?

A particle is projected at an angle of $${30}^{0}$$ with the horizontal with a momentum $$P$$. At the highest point its momentum is

Two bodies of mass $$4 \ kg$$ and $$5\  kg$$ are moving along east and north directions with velocities $$5\  m/s$$ and $$3 \ m/s$$ respectively. Magnitude of the velocity of centre of mass of the system is:

Which of the following quantities is zero, when a uniform object is being supported at its centre of gravity?

While opening a tap with two fingers, the forces applied by the fingers are:

Two particles $$A$$ and $$B$$ are connected by a rigid rod $$AB$$. The rod slides on perpendicular rails as shown in figure. The velocity of $$A$$ to the left is $$10m/s$$. What is velocity of $$B$$ when $$\alpha= 60^o$$? (in m/s)

A sphere moving at some instant with horizontal velocity $$v_c $$ towards right and angular velocity in the anti-clockwise sense. If $$|v_c| = |\omega R|$$ The instantaneous center of rotation is:

Which of the following has the maximum momentum?

Two bodies have same mass and speed, then: