Physics

Physics

Problem

A hockey puck of mass 0.75 kg0.75\,\text{kg} is to accelerate uniformly at 3.0 m/s23.0\,\text{m/s}^2 along a frictionless horizontal surface. Calculate the magnitude of the net force that must act on the puck.
Intuitive explanation

This is a straightforward application of Newton's second law: the net force on an object equals its mass times acceleration. Since the surface is frictionless, you don't need to worry about opposing forces—just multiply the two quantities you're given to find the total force required to produce that acceleration.

Intuitive explanation

This is a straightforward application of Newton's second law: the net force on an object equals its mass times acceleration. Since the surface is frictionless, you don't need to worry about opposing forces—just multiply the two quantities you're given to find the total force required to produce that acceleration.

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