Welcome to your work , Energy & power - 3
1.
Body moving with constant velocity has
2.
If θ < 90°, work done is
3.
Which has maximum kinetic energy?
4.
Kinetic energy is maximum when
5.
Which quantity is always conserved?
6.
When brakes are applied, KE
8.
If θ = 180°, work done is
9.
Work done by cycle on road is
10.
Work done by road on skidding cycle is
11.
Which unit is largest?
13.
When friction does negative work, KE
14.
Work–energy relation links
15.
A moving bullet has high KE because
16.
Which energy depends on motion?
17.
Work done by normal reaction on smooth surface is
18.
SI unit of kinetic energy is
21.
Action–reaction forces do
22.
If KE becomes zero, body
23.
Dimension of kinetic energy is
25.
Work done by friction on a moving body is usually
28.
Work done is zero when force is
29.
If force is zero, work done is
30.
Kinetic energy is a measure of
31.
Work done on body equals change in
32.
Kinetic energy of a body depends on
33.
Work done by a constant force is defined as
34.
Work done by centripetal force in circular motion is
35.
KE formula is valid for
36.
A weightlifter holding weight stationary does
38.
Energy unit same as work because
39.
If velocity doubles, kinetic energy becomes
40.
Kinetic energy is always
41.
Which force does zero work always?
42.
If mass doubles, kinetic energy becomes
43.
Work done by gravity on freely falling body is
44.
A body at rest has kinetic energy
45.
Kinetic energy depends on
