600N
1000N
1600N
1800N
Correct answer is D
F = M + FF 800 x 2 = 200
= 1800N
Which of the following statements about the electromagnetic waves is correct? ...
A lamp is rated 240 V, 60 W. Determine the resistance of the lamp when lit? ...
Which of the following statements is correct about a machine? ...
A cell of e.m.f 2V and internal resistance 1Ω supplies a current of 0.5 amps to a resistanc...