A tugboat is attached to a barge of mass 5100 kg with cable #1. A second barge with a mass of 12 000 kg is attached to the first barge with cable #2. The tugboat pulls the two barges with an acceleration of 0.030 m/s2. What are the tensions in cables #1 and #2?

A skier slides down a frictionless hill with an acceleration of 2.04 m/s2. What angle does the hill make with the horizontal?

A child wearing a slippery snowsuit is sitting on a sled such that the coefficient of static friction between the suit and the sled is 0.112. What is the maximum acceleration possible for the sled before the child slips off?

You are riding on a “free-fall” ride at an amusement park. You hold a coin in front of you and let it go. What will the coin do?

A road is banked such that cars can go around the curve even if it is icy and friction is essentially zero. What forces belong on a Free Body Diagram for a car under these conditions?

Frictional force between two surfaces depends on which of the following?

I. speed of the objects rubbing together

II. surface area of the objects

III. materials the surfaces are made of

The diagram above shows the forces acting on a box. If the box is 4 kg, what is its acceleration?

A net force of 9.0 N accelerates a wagon at 3.0 m/s². What net force would be required to accelerate the same wagon at 9.0 m/s².

You push a 80-kg sofa to move it to a different location in the room. It takes a force of 140 N to start the sofa moving. What is the coefficient of static friction between the sofa and the carpet?

If the wind is heading south with a force of 5 N, and a car is going north with force of 78936 N, what is the Net Force and Direction.

The resultant between 2 vectors can be found by placing the vectors

When adding two vectors that are perpendicular, it is best to use the____________.

A box with a mass of 10kg is at rest on a table. The normal force acting on the box is_____.

An ice-skater who weighs 100N is gliding across the ice. If the force of friction is 2N, what is the coefficient of kinetic friction?

A sofa is at rest on the floor. The mass of the sofa is 50 kg and the coefficient of static friction between the sofa and the floor is 0.01. The maximum force of static friction is approximately

A mover of household goods wants to push a heavy bureau at rest on the floor across the floor. He puts his shoulder against the bureau and begins to push. He gradually increase the force of his push until the bureau moves when he keeps the pushing force constant. The force of friction_____.

The equilibrant of a force directed 45^owest of north has the direction

The magnitude of the equilibrant of a 3 N force acting toward the east and a 4 N force acting toward the south is________.

A ship at sea is due into a port 400.0km due south in two days. However, a severe storm comes in and blows it 300.0km due east from its original position. How far is the ship from its destination? In what direction must it travel to reach its destination? (1dp)