Q1 a uniform plank of length 46 m and weight 204 n rests, Ask an Expert

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Q1. A uniform plank of length 4.6 m and weight 204 N rests parallel on two supports, with 1.1 m of the plank hanging over the right support .To what distance x can a person who weighs 445 N walk on the overhanging part of the plank before it just begins to tip?

Q2. A 1.35 kg object is moving in the x direction at 16.4 m/s. now 3.51 s later, it is moving at 27.8 m/s at 30.0^circ to the x axis.

What is the magnitude of the force applied throughout this time?

What is the direction of the force applied throughout this time?

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