Question

**1.trying to open a heavy door that is 1m wide. You apply
a force of 10N to the middle of the door at an angle of 60 degrees
to the door. The door doesn’t budge**

**How much torque did you apply?**

**You can’t push any harder. What are two ways you could
increase applied torque without increasing applied force? What is
the maximum torque you can apply, without increasing applied force,
in hopes of opening the door?**

**2.A child 50kg and parent 80 kg are on a seesaw that is
6m long. When the pivot point is in the center of the seesaw the
parent is always on the ground and the child is always in the air.
Where should the pivot point be in order for the parent and child
to be at an equal heights?**

Answer #1

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