Cuando se aplica una fuerza horizontal de 300N a una caja de 75.0 kg, ésta se desliza por un piso plano, oponiéndose a una fuerza de fricción cinética de 120N, ¿Qué magnitud tiene la aceleración de la caja?

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

The dot diagram represents the motion of the motorcycle as it moves from left to right