Lacrosse Gloves Sizes

The figure shows a body resting on a horizontal surface with friction.

The body is pressed against a rigid rod of a compressed spring. Explain why, in this situation, it is not possible to determine either the direction nor the magnitude of friction force.

Bonuses: A (+ +) in the first comment makes sense, a (+) next to each significant comment; (+++) to a solution of the question.

Deadline: Thursday 12 / 4 / 07, 24:00.

Crepes Using Krusteaz

friction and balance to the class III


Abandoned nelo space!

An astronaut in space sees abandoned his ship a short distance but has only an oxygen tank vacuum which can discard.

Try to describe a sequence of operations that will enable it to reach the ship.

Does it matter the mass of the fuel tank to reach the spacecraft at any given time?

Lime Sulfur Dip Cats Smell

Reserved for the Class III to Class I

This is the first contribution, is the invitation to discuss the following question:
If a body moves mot0 parabolic, the instant it reaches the maximum height:

1. has a velocity nothing?
2. has no acceleration?

You are invited to make a contribution and as a gesture of encouragement will be given a (+ +) to the best commentary.

Good Job!