Multiple Choice QuestionsA solid rectangular block of iron is kept over the top of a table with its different faces touching the table. In different cases, the solid block exerts
different forces and different pressures
different forces but same pressure
same force and same pressure
same force but different pressures
A.
different forces and different pressures
Solid block exerts the same force and different pressures. Because in all cases the same rectangular block is used.
Force (F),= Mg and pressure (p) = FIA
Where, M = Mass of rectangular block
g = Gravitational acceleration
A = Area of contact with surfaces
The odometer reading of a moving car at 8:00 am is 36540 km and at 10:00 am is 36666 km. If the car is moving on a zigzag path with variable speeds, its average speed (in m/s) is
17.5
35
6.3
12.6
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