Welcome to your work , Energy & power - 3
1.
Work done on body equals change in
2.
Body moving with constant velocity has
3.
Work done by gravity on freely falling body is
4.
Which unit is largest?
5.
Work done by centripetal force in circular motion is
7.
Energy unit same as work because
8.
If θ = 180°, work done is
10.
When friction does negative work, KE
11.
SI unit of kinetic energy is
12.
If force is zero, work done is
13.
Work done by a constant force is defined as
14.
Work done by cycle on road is
15.
Which energy depends on motion?
16.
Work done is zero when force is
17.
KE formula is valid for
18.
Kinetic energy is maximum when
19.
Which quantity is always conserved?
20.
If velocity doubles, kinetic energy becomes
21.
A moving bullet has high KE because
23.
If mass doubles, kinetic energy becomes
24.
A body at rest has kinetic energy
25.
Work done by road on skidding cycle is
27.
Kinetic energy of a body depends on
28.
Which has maximum kinetic energy?
31.
Kinetic energy is a measure of
32.
Which force does zero work always?
33.
Kinetic energy depends on
34.
Work done by normal reaction on smooth surface is
35.
Dimension of kinetic energy is
37.
If θ < 90°, work done is
38.
When brakes are applied, KE
39.
Work–energy relation links
40.
If KE becomes zero, body
42.
Kinetic energy is always
43.
A weightlifter holding weight stationary does
44.
Action–reaction forces do
45.
Work done by friction on a moving body is usually
