Question

A 3.2-kg object is being pulled upward with a force of 45 n. it's weight of 31 n opposes the upward force. what is the acceleration of the object?

A. 4.4 m/s²
B. 9.7 m/s²
C. 12 m/s²
D. 14 m/s²

Answer 1

The acceleration of the object is 4.4 m/s² (option A)

Step-by-step explanation:

To determine the acceleration of the object, we need to calculate the net force acting on it. The upward force being applied is 45 N, while the weight of the object is 31 N and opposes the upward force.

To find the net force, we subtract the weight from the applied force: 45 N - 31 N = 14 N.

Next, we use Newton's second law of motion, F = ma, where F is the net force and m is the mass of the object.

Plugging in the values, we have 14 N = 3.2 kg * a.

Solving for the acceleration (a), we get a = 4.4 m/s².