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Physics: Discussion Questions

Satisfactory Essays

1. Which of the following relation between kinetic energy and work done is correct?
a) K.E. = 1 + FS
b) K.E. = 1 / FS
c) K.E. = FS
d) K.E. = FS / 10
2. What is the third equation of motion?
a) vf+ vi= at
b) S = vit
c) 2aS = vf2 - vi2
d) vf= vi+ at
3. What is the formula of kinetic energy?
a) K.E. = mv2 - 2
b) K.E. = mv2 + 2
c) K.E. = mv2 / 2
d) K.E. = mv2 x 2
4. A car weighing 12 kN has speed of 20 ms-1. Find its kinetic energy
a) 2400 kJ
b) 2.4 kJ
c) 240 kJ
d) 24 kJ
5. If velocity of a body becomes double, then what will be its K.E. become?
a) Half
b) Four times
c) Doubles
d) Zero
6. What is the energy possessed by a body due to its motion called?
a) Potential energy
b) Chemical energy
c) Wind energy
d) Kinetic energy
7. If mass of a body

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