1.
What does the area under the graph bewteen force and displacement represent?
2.
Work-energy theorem is applicable for
3.
The slope of the graph between potential energy and distance represents
4.
The relation between potential energy, spring constant and displacement is
5.
Assertion (A): If the work done by conservation force is negative, the potential energy will increase. Reason (R): The work done is related with potential energy as: W=-∆U
6.
A constant force vector F= i ̂-j ̂+k ̂ is applied on an body and body displaces from (1m, 2m, 3 m) to (2 m, 3m, 4 m). What is work done by the force?
7.
The coefficient of restitution for perfectly eleastic body is
8.
In perfectly inelastic collision, after collision
9.
Instantaneous power is related with force and velocity as
10.
The SI unit of mechanical power is
11.
The dimensional formula of mechanical power is
12.
Work energy theorem is applied for
13.
A body is moving in a straight line after applying a force of 2 N and body does not move. The work done by the force is
14.
If linear momentum is doubled 100 %, its kinetic energy will be
15.
A body is thrown vertically upward to a height H. Which one is correct option?
16.
The potential energy at a small height (h) of a body of mass m is equal to
17.
The graph between kinetic energy (on y-axis) and velocity (on x-axis) of a body is
18.
The work done can be zero when
19.
Name the physical quantity whose SI unit is J/s
20.
A body is moving on a circular path, the work done after one completerevolution
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