Question Detail

PHY 101 PHY 101 Past Questions Objective Question

Question

A uniform meter rule of mass 75 g is suspended at 75 cm mark and balanced by a weight at 90 cm. Find the balancing weight.
Options
A 10 g
B 100 g
C 12 g
Correct Answer
D 1 g
Correct Answer

Option C is the correct answer.

Detailed Explanation

Taking moments about pivot: weight × distance balances rule weight acting at center.

Hint

Clockwise moment = anticlockwise moment.

Question Info