Physics Quiz Questions Work Power and Energy – Science Quiz


Physics Work Power and Energy – Science Quiz


Physics Quiz Questions Work Power and Energy - Science Quiz



Physics Online GK Science Quiz


1) What do you mean by the rate of work done?

Answer: Power.


2) What is the collision when two bodies stick together after the collision?

Answer: Inelastic.


3) What do you mean by the third order of levers?

Answer: The effort is in between the resistance and the fulcrum.


4) What changes is done by a dynamo?

Answer: Mechanical energy is converted in to electrical energy.


5) Which is the main source of energy to earth?

Answer: Sun.


6) If velocity of a moving body is made 3 times, what happens to its kinetic energy?

Answer: K. E will increase 9 times.


7) Write an example of a third order of lever.

Answer: Forceps, ice tongs, hook and rod.


8) Write an example of second order.

Answer: Nut cracker.


9) What is the unit of work in the C.G.S system?

Answer: Erg.


10) By what type of force the work is done when a body falls freely?

Answer: Gravitational force.


11) What is equal to one watt?

Answer: One joule/second.


12) One H.P is equal to what?

Answer: 746 Watts.


13) What is called the capacity to do work?

Answer: Energy.


14) What is called the energy possessed by a body because of its velocity?

Answer: Kinetic energy.


15) What is called the energy possessed by a body because of its position?

Answer: Potential.


Other Physics Quiz and Answers

Physics Science General Knowledge


16) What does the kinetic energy of a body depend on-horseback?

Answer: It depends on its mass and velocity.


17) What happens when the height of a body from the ground is doubled?

Answer: Potential energy is also doubled.


18) What is the P.E of a body on the ground?

Answer: Zero.


19) In the interior of the sun, which reaction takes place?

Answer: Nuclear fusion.


20) In the sun, which is converted in to energy?

Answer: Matter.


21) In the core of the sun, hydrogen nuclei fuse together to form which nuclei?

Answer: Helium.

22) What is called a device which reduces human effort?

Answer: Machine.


23) What is called the rigid code that can rotate about a fixe point, fulcrum?

Answer: Lever.


24) What is called the force overcome by a lever?

Answer: Resistance.


25) In the first order of levers, what is between the resistance and the effort?

Answer: Fulcrum.


26) What is called the ratio of the resistance to the effort when they balance each other?

Answer: Mechanical advantage of a simple machine.


27) What is called the perpendicular distance from effort to fulcrum?

Answer: Effort arm.


28) Write an example of second order of levers?

Answer: Lime squeezer.


29) Write some example of the first order levers?

Answer: Balance, scissors, spanner.


30) State the law of conservation of energy.

Answer: Energy can neither be created nor destroyed.


Read : Atomic Structure Chemistry Quiz > Physics > General Knowledge Quiz > Physics Questions Uses of Measuring and Other Instruments

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