Flash Card
When some unstable atoms break up, they release tremendous amount of ............ energy.
The work done on an object does not depend on............. .
If a force of 20 N is applied to move an object a distance of 5 m, the work done would be:
In which of the following cases is no work done?
SI unit of work is ........... .
Choose the odd one out: Kinetic energy, Mechanical energy, Gravitational potential energy, Sound energy.
Potential energy of a body is given by (P.E) =............. .
Work is the product of ............ .
1 kWh = ......... joules.
The potential energy of your body is least when you are ................ .
Which of the following factors does not affect the gravitational potential energy of an object?
............... is the capacity to do work.
.............. is the commercial unit of power.
The work done is zero if there is no............... .
1 hp =............ .
Which of the following quantities is a scalar?
Kinetic energy of a body (KE) = .................
The work done by a force is said to be ........... when the applied force does not produce displacement.
By stretching the rubber strings of a catapult, we store ......... energy in it.
What happens to the kinetic energy of an object when its velocity is doubled?
If we increase the velocity of a car moving on a flat surface to 4 times its original speed, its potential energy............... .
A bullet fired from a gun possesses ................. energy.
The total energy of an object falling freely towards the ground........... .
Which of the following is an example of potential energy?
Which of the following is not a conservative force?
