A 1,700 kg car is accelerated at 2.8 m/s? What force was needed to produce this acceleration?

Abearing is designed to a reduce friction b. support a load c.guide moving parts such as wheels, shafts and pivots d. all of the above

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx