Question

C. Choose the correct alternative : [5 X 1]

(i)A ball falls down vertically. Its motion is :

(a) periodic (b) linear (c) circular (d) Vibratory

(ii) The earth attracts a body of mass 1 kg with a force of 10 N. The mass of a

body is 50 kg. His weight will be :

(a) 50 kg (b) 500 N (c) 50 N (d) 5 N

(iii) The energy stored in an electric cell is

(a) chemical energy (b) electrical energy

(c) heat energy (d) mechanical energy

(iv) A ball rolling on the ground possesses

(a) kinetic energy (b) potential energy

(c) no energy (d) heat energy

(v) According to law of conservation of energy, energy changes from one form

to another form, but the total energy of that system

(a) increases (b) decreases

(c) remains the same (d) none of the above​

Answer 1

Answer:

1 Linear

2 50 kg

3 Chemical energy

4 Kinetic energy

5 Remains the same

Explanation: