Answer:
T=46.75 N-m
No, It does not matter if you push at the same height as the hinges.
Step-by-step explanation:
The formula for Torque is:
T=rxF
T=rFsinθ
where
T is the torque
r is the distance from which force is applied
F is the force to applied
Since,F=55 N, r=0.850 m
Force is acting perpendicular,θ=90 degree
T=rFsin90
T=r*F
T=0.850*55
T=46.75 N-m
According to the formula of Torque:
T=rFsinθ
Torque depends on angle θ and perpendicular distance from point of application of force to the rotation axis, not on the height from which force is applied. So it does not matter if you push at the same height as the hinges.
Torque exerted relative to the hin ges is;
τ = 46.75 J
It doesn't matter if you push at the same height as the hin ges
The formula for Torque is by:
τ = F*d
Or if it is at an angle, we have;
τ = F*d*sinθ
where
τ is the torque
d is the perpendicular distance from which force is applied
F is the force to applied
We are given;
Force; F = 55 N
Horizontal distance; d = 0.85 m
Since there is no mention of any angle, we will adopt;
τ = F*d
τ = 55 × 0.85
τ = 46.75 J
It is not dependent in anyway on height of hin ges and as such pushing at same height of hin ges will not matter.
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