1. O esquema da figura 1, que não está à escala, representa duas forças que atuam no centro de massa de um
corpo fazendo-o deslocar 15 m ao longo de uma superfície horizontal, segundo o deslocamento, d. A intensidade
da força F1
⃗⃗⃗ é 185 N da força F2
⃗ é 400 N.

1.1. Determine o trabalho realizado pela força F1
⃗⃗⃗ .
1.2. Determine o trabalho realizado pela força F2
⃗ .
1.3. Determine o trabalho realizado pela força resultante
1.4. Indica se alguma das forças pode representar uma Força de atrito. Justifica.

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

An object has a weight of 500 on earth what is the mass of this object