Work , energy and power questions | form one Physics
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# | Question |
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1 | A stone of mass 500 g is lifted through a height of 2 metres. The potential energy gained by the stone is: Multiple choices |
2 | A force of 25 N is used to move an object through a distance of 1.5 m in one minute. The power dissipated by the force is: Multiple choices |
3 | Heat travels through vacuum by: Multiple choices |
4 | (a) Define the following terms as used in Physics and give their SI units: Short answers |
5 | A man lifts a load of 20 kg through a height of 4 m in 10 seconds. Calculate the: Mathematical Calculation |
6 | A ball of mass 0.6 kg is kicked vertically up to a height of 6 m. The potential energy acquired by the ball is: Multiple choices |
7 | A block and tackle containing 3 fixed and 2 movable pulleys is used to lift a load of 1200 N to a storey 15 m from the ground. if the work done in overcoming friction in the system is 6000 J. Calculate the Mathematical Calculation |
8 | Two types of mechanical energy are: Short answers |
9 | The quantity of energy possessed by a body which causes the vibrations of its molecules is: Multiple choices |
10 | The mechanical advantage of a machine is 4. Find the effort needed to operate a machine of the load 1000 N: Multiple choices |