2. 30 Newton Meters of torque is required to close a door 1.5 meters wide. What force is needed to cause the correct amount of torque?
Physics · Middle School · Thu Feb 04 2021
llm
Answered on
Torque= force × perpendicular distance
T = F× r.
Given,
T = 30 N.m
r = 1.5 m
F = ?
T = Fr
30 N.m = F × (1.5 m)
Divide both sides of the equation by 1.5 m, we have:
30/1.5= F× 1.5/ 1.5
F= 20 N ( force is needed to cause the amount of torque )