A rectangular concrete block 40 cm \(\times\) 30 cm \(\times\) 60 cm of mass 10 kg rests on a horizontal flat surface. What is the minimum pressure it can possibly exert on the surface?
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UI Post UTME Physics Past Questions
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A quantity is defined as the product of cross-sectional area and change in momentum per unit length. Which of the following is its SI unit?
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A physics student standing on the edge of a cliff throws a stone vertically downward with an initial speed of 10.0 m/s. The instant before the stone hits the ground below, it is traveling at a speed of 30.0 m/s. If the p…
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A motor car moves with a velocity of 20 ms on a rough horizontal road and covers a displacement of 50 m. Find the coefficient of dynamic friction between the type and the ground (g = 10 ms\(^{-2}\))
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A man walks 1 km due east and then 1 km due north. His displacement is
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A force of 20 N applied parallel to the surface of horizontal table is just sufficient to make a block of mass 4 kg set for motion. Find the acceleration when the force is doubled.
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A boy holds the end of a rubber cord from which hangs a solid metal ball, if the boy whirls the ball in a horizontal circle, keeping his hand still. If the rubber cord breaks when the ball is at a point on the circle, in…
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A ball of mass 200 g moving with a velocity of 8 m/s collides and sticks with another ball of mass 300 g moving in the same direction with velocity 4 m/s. What is the common velocity of the balls after the collision?
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A ball is thrown up into the air. At the highest point of its trajectory the ball:
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