Work Energy Power Quiz 2 – Punjab Meritorious School Preparation Portal

Welcome to your Work Energy Power Quiz 2 CBT TEST

Fill the Details mentioned below and Attempt the Test.

Name

Email

School Name with City

Phone Number

Question is mentioned below :

576 mJ

450 mJ

490 mJ

530 mJ

Question is mentioned below :

Question is mentioned below :

35

70

35

270

Question is mentioned below :

A particle with total energy E is moving in a potential energy region U(x) Motion of the particle is restricted to the region when

U(x) > E

U(x) < E

U(x) = Q

U(x) ≤ E

Question is mentioned below :

450 J

275 J

250 J

475 J

A bullet of mass 10g leaves a rifle at an initial velocity of 1000 m / s and strikes the earth at the same level with a velocity of 500m / s . The work done in joules overcoming the resistance of air will be

375

3750

5000

500

The potential energy of a system increases if work is done

upon the system by a non conservative force

by the system against a conservative force

by the system against a non conservative force

upon the system by a conservative force

An engine pumps water continuously through a hose. Water leaves the hose with a velocity v and m is the mass per unit length of the water jet. What is the rate at which kinetic energy is imparted to water?

A force of 250 N is required to lift a 75 kg mass through a pulley system. In order to lift the mass through 3 m, the rope has to be pulled through 12m. The efficiency of system is

50%

75%

33%

90%

Please fill in the comment box below.

Time is Up!

Time's up