An object of mass 3 kg is accelerated at 4 m/s2. What force is acting on the object?

12 N

Explanation:

Given,

Mass ( m ) = 3 kg

Acceleration ( a ) = 4 m/s^2

To find : Force ( F ) = ?

Formula : -

F = ma

F

= 3 x 4

= 12 N

Therefore, the force acting on the object is 12 N.

12 N

Explanation:

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27