You pull upward on a stuffed suitcase with a force of 140 N, and it accelerates upward at 0.770 m/s2. What is the mass of the suitcase, in kilograms? Your Answer:

A 5 kg box of candy is sitting on a table. You are pulling on one side with a force of 30 N and your friend is pulling on the other side with a force of 60 N. There is a coefficient of friction of 0.2 between the box and the table. What is the acceleration of the box?

Jennifer is walking at 1.22 m/s. If Jennifer weighs 552 N, what is the magnitude of hermomentum?A) 97.0 kg  m/sB) 137 kg  m/sC) 68.6 kg  m/sD) 672 kg  m/sE) 951 kg  m/s

A commercial airplane is coming in for a landing. Just before it hits the runway it is moving at 76 m/s. The plane has a mass of 20,000 kg. The runway is 1.6km long and, obviously, the airplane needs to be stopped before it reaches the end of the runway. How large is the braking force the airplane needs to stop safely before the end of the runway?

An object has a mass of 50 kg and is accelerating at 20 m/s2 when it hits a brick wall. What is the force applied to the brick wall?

A crate has a mass of 27 kg. What applied force is required to produce an acceleration of 3 m/s2 if the frictional force is known to be 80 N?

Following the collision with a tree, the car rapidly decelerates and comes to a full stop in 0.26 seconds. Given that the passenger in the car has a mass of 70.0 kg and experiences a restraining force from the seat belt amounting to 4038 N, what was the car's initial velocity just before the impact with the tree?

A car has a mass of 1.30 × 103 kg. If the force acting on the car is 6.49 × 103 N to the east, what is the car’s acceleration? Answer in units of m/s 2 .

A sleigh is pulled horizontally by reindeer, and is accelerating at 6 m/s². If there is no friction, and the mass of the sleigh is 95 kg, what is the tension in the rope attached to the sleigh? Answer in Newtons.

A force of 3.3 N is exerted on a 7.9 g rifle bullet. What is the bullets acceleration?