Porifera are popularly called as __________ .
Anonymous Quiz
56%
Sponges
26%
butterfly
13%
Start fish
4%
None of above
Work done by a force = ______ x ______ .
Anonymous Quiz
54%
Force, displacement
32%
Mass, acceleration
8%
Power, force
6%
Energy, displacement
A man is applying force on the wall then work is done by the man will be
Anonymous Quiz
19%
Negative
53%
Zero
26%
Positive
2%
None of above
If displacement of an object is zero, work done will be _______.
Anonymous Quiz
18%
Negative
65%
Zero
12%
Positive
5%
None of above
Work done can be
Anonymous Quiz
72%
Zero, positive, negative
14%
Zero only
12%
Positive only
1%
Negative only
Work done is positive, when ___________
Anonymous Quiz
32%
Force and displacement are perpendicular to each other
54%
Force and displacement are in same direction
11%
Force and displacement are in opposite direction
3%
None of above
Calculate the work done by Aditya in moving a block placed on the ground with force 20 N and displacement in the direction of force as 5 m.
Anonymous Quiz
18%
200Nm
38%
100Nm
32%
100J
12%
Both B and C