Grade 6 Science Power Energy Question Preview (ID: 51232)
Power Energy.
TEACHERS: click here for quick copy question ID numbers.
The work done by a man in 20 seconds is 2000 J. His power is:
a) 40000 J.
b) 40000 N.
c) 100 W
d) 200 N.
The SI unit of time is:
a) Second
b) Minute
c) Hour
d) Day
The SI unit of the work done is:
a) Watt
b) Joules
c) Newton
d) Kilogram
The work done by an object of weight is 50 N in 10 m:
a) 500 J
b) 50 Kg.
c) 2 N.
d) 2 Kg.
The SI unit of power is:
a) Watt
b) Joules
c) Newton
d) Kilogram
The relation between work done, power and time is:
a) P = W × t.
b) P = W / t.
c) P = W – t.
d) W = P / t.
Work= Force x Distance. Work is:
a) A force of gravity exerted by the earth on a body.
b) A natural phenomenon by which the earth attracts free bodies.
c) The product of the force and covered distance.
d) None of the choices.
Power = work done/ Time taken. Power is:
a) Work done in a certain time.
b) A natural phenomenon by which the earth attracts free bodies.
c) A force of gravity exerted by the earth on a body.
d) None of the choices.
A force of magnitude F does a work of 200 J along 2 m, then F equals to:
a) 100 Kg.
b) 100 N.
c) 400 Kg.
d) 400 N.
A 500 watt device works for 1 minutes. The work it does is:
a) 500 J.
b) 600 J.
c) 5000 J.
d) 30000J.
Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 51232 in the upper right hand corner or click here.
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 51232 in the upper right hand corner or click here.
TEACHERS / EDUCATORS
Log In | Sign Up / Register
Log In | Sign Up / Register