The energy in the nucleus of atoms produce heat which can be used to generate?
A. Kinetic energy B. Mechanical energy C. Electrical energy D. Potential energy Correct Answer: Option A – Kinetic energyAn object of mass 20kg is released from a height of 10m above the ground level. The kinetic energy of the object just before it hits the ground is?
A. 200J B. 4000J C. 2000J D. 500J Correct Answer: Option C – 2000J Explanation Kinetic Energy = mgh = 20 x 10 x 10 J = 2000J
What happens when three coplanar non-parallel forces are in equilibrium?
A. Their lines of action are parallel. B. They are represented in magnitude only C. They are represented in direction only D. Their lines of action meet at a point Correct Answer: Option D – Their lines of action meet at a point Explanation Conditions for...
One of the conditions necessary for an object to be in equilibrium when acted upon by a number of parallel forces is that the vector sum of the forces is?
A. Average B. Zero C. Negative D. Positive Correct Answer: Option B – ZeroProducts
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