A physics professor lifts her 8.2-kg briefcase at constant speed with an upward force. Find the magnitude of her force. answer in newtons.

what is 8.2*g ?

its 8.2 kolgrams

To find the magnitude of the force, we first need to determine the weight of the briefcase.

The weight of an object can be calculated using the formula:

Weight = mass × gravitational acceleration

The mass of the briefcase is given as 8.2 kg. The gravitational acceleration on Earth is approximately 9.8 m/s^2.

Using these values, we can now calculate the weight of the briefcase:

Weight = 8.2 kg × 9.8 m/s^2 = 80.36 N

Since the briefcase is being lifted at constant speed, the upward force must be equal in magnitude and opposite in direction to the weight. Therefore, the magnitude of the force the professor applies to lift the briefcase is also 80.36 Newtons.