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