Question

You are pulling your friend on a sled with a constant velocity using a rope held horizontally in the snow. Using a spring scale attached to the rope, you measure the tension to be 0.5000 N. The combined mass of the sled and your friend is 64.00 kg. Determine the magnitude of the surface force the ground exerts on the sled.

Answer 1

627.2 N

Step-by-step explanation:

The Normal Force (N) is the force the ground exerts on the sled, which is equal to the weight (W) of the sled. These forces act in the y direction. The other forces, Tension, Applied Force, Force of Friction all act in the x direction.

N = W = mg = (64.0 kg)(9.8 m/s²) = 627.2 N