(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Physics

A ball of mass m is thrown vertically up with an initial velocity so as to reach a height h. The correct statement is:

What is the mechanical advantage of a single movable pulley in the ideal case?

Name a machine which is used to multiply force.

Following Fig shows piece of cardboard of uniform thickness cut into different shapes. Draw two lines to indicate the position of centre of gravity G.

Following Fig shows piece of cardboard of uniform thickness cut into different shapes. Draw two lines to indicate the position of centre of gravity G.

Following Fig shows piece of cardboard of uniform thickness cut into different shapes. Draw two lines to indicate the position of centre of gravity G.

Following Fig shows piece of cardboard of uniform thickness cut into different shapes. Draw two lines to indicate the position of centre of gravity G.

Following Fig shows piece of cardboard of uniform thickness cut into different shapes. Draw two lines to indicate the position of centre of gravity G.

Fig. shows the dimensions of an acute angled triangle. By geometrical construction mark the C.G. of the triangle.

A right-angled triangle cardboard piece is placed as shown in fig. 7. Redraw the diagram showing the relative position of the vertices of the triangle when it is suspended by a pin from the hole A. Explain why the position changes?

Give scientific reason for the following:
It is easier to push a boy standing on one leg than on both legs.

Give scientific reason for the following:

There are chances of toppling when a truck takes a sharp turn   especially when it is not fully loaded

Even though the Tower of Pisa is leaning through an angle it does not fall.