a motor pulls up a block suspended on a string, so that the tension in the string is equal to the qeight force on the block. the

Question

2 years ago

10

block has mass m, the distance raised is h and the power output of the motor is P. what is the magnitude of the acceleration of the block?

1 answer:

Sindrei [870] · Answer 1 · 2022-05-14T06:56:03+03:00

8 0

Answer:

Explanation:

Let T be the tension in the string and mg is the weight of the block.

T = mg

By using Newton's second law

T - mg = ma

mg - mg = ma

a = 0

Thus, the acceleration is zero.