Intro to Friction Video Lessons

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Problem: You are standing in a moving bus, facing forward, and you suddenly fall forward as the bus comes to an immediate stop. The force acting on you that causes you to fall forward is A) the force of gravity. B) the normal force due to your contact with the floor of the bus. C) the force due to static friction between you and the floor of the bus. D) the force due to kinetic friction between you and the floor of the bus. E) No forces were acting on you to cause you to fall.

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Problem Details

You are standing in a moving bus, facing forward, and you suddenly fall forward as the bus comes to an immediate stop. The force acting on you that causes you to fall forward is

A) the force of gravity.

B) the normal force due to your contact with the floor of the bus.

C) the force due to static friction between you and the floor of the bus.

D) the force due to kinetic friction between you and the floor of the bus.

E) No forces were acting on you to cause you to fall.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Intro to Friction concept. You can view video lessons to learn Intro to Friction. Or if you need more Intro to Friction practice, you can also practice Intro to Friction practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Jeffery took 1 minute and 50 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Efthimiou's class at UCF.