The sled is accelerating to the left. The reaction to the normal force exerted on the sled by the ice 1. the weight of the sled. 2. the weight of the person. 3. the normal force exerted on the person....

The sled is accelerating to the left. The reaction to the normal force exerted on the sled by the ice 1. the weight of the sled. 2. the weight of the person. 3. the normal force exerted on the person. 4. the attractive gravitational force exerted on the earth by the sled. 5. the normal force exerted on the ice by the sled. 6. the normal force exerted on the sled by itself. 7. is zero.