Define the following terms:
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i) Newton
ii) Inertia
iii) Linear momentum
iv) acceleration due to gravity
A loaded car of mass 25000kg is moving at 20 m/s, its linear momentum is……….
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The product of mass and velocity of a body is called its…..
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The diameter of a uniform cylinder is 0.2m and its height is 0.4m. The cylinder is placed on an inclined plane. Calculate the maximum angle to the horizontal to which the plane can be inclined before the cylinder falls down.
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A meter rule is pivoted at its mid-point. If two objects of weight 1.0N and 2.0N are suspended at 30cm and 90cm respectively from one end, calculate the position where an upward force of 3.0N must be applied in order for the meter rule to balance horizontally
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A heavy metal beam AB of mass 25kg is supported at its ends. The beam carries a mass of 150kg at a distance of 0.75mm from end A. If the beam is 2m long, determine the thrust at supports A and B.
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Why the door handles are placed at the end of the door and not at the centre of the door?
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The parallel forces which are equal in magnitude but acting in opposite direction to each other are known as
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What is meant by the moment of a force about a point?
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The angle between the horizontal component of the earth’s magnetic field and the true north is called
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