the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. A rider is towed at a constant speed by a rope that is at an angle of 17 degrees from horizontal. The tension in the rope is 2300 N. The force of the sail on the rider is 30 degrees from horizontal. What is the weight of the rider?

Mary applies a force of 71 N to push a box with an acceleration of 0.45 m/s2. When she increases the pushing force to 79 N, the box's acceleration changes to 0.63 m/s2. There is a constant friction force present between the floor and the box.   (a)What is the mass of the box in kilograms? ?kg   (b)What is the coefficient of kinetic friction between the floor and the box?

A man is walking up a hill inclined at 24 degrees at constant speed while pulling a 23.6 kg box by a rope that is attached to it. If the angle the rope makes with the surface of the hill is 31 degrees and the coefficient of kinetic friction between the box and the hill is 0.10, what is the tension in the rope?

A block of mass M hangs at rest. The rope that is fastened to the wall is horizontal and has a tension of 52 N. The rope that is fastened to the ceiling has a tension of 91 N, and makes an angle θ with the ceiling. What is the value of mass M?

A small car (mass 380 kg) is pushing a large truck ( mass 900 kg) due east on a level road. The car exerts a horizontal force of 1200 N on the truck. What is the magnitude of the force that the truck exerts on the car?

A 1.3 kg box of frozen chocolate chip waffles is pulled across a table by a rope at t1 = 0s. The rope is at an angle θ = 60º and under a tension of 4 N. Suppose there is no friction between the box and table.

You bring a bathroom scale onto an elevator and press "up". Your mass is 65 kg. If the bathroom scale reads 750 N, (a) what is the acceleration of the elevator? You then press down and the acceleration downward is of the same magnitude. (b) While accelerating downward, you hold a small mass of 100 g attached to a string. What is the tension in the string? This elevator is in the new BU Data Science building where g = 10 m/s². Your work should include free body diagrams

Assuming the coefficient of static friction is 0.76.  You push downward on a box at an angle 25° below the horizontal with a force of 750 N. If the box is on a flat horizontal surface, what is the mass of the heaviest box you will be able to move?   54 kg 57 kg 41 kg None of the above choices are correct. 51 kg 45 kg 48 kg

A 10 kg box experiences a force of 15 Newtons in the positive x-direction and 8 Newtons in the negative y-direction. What is the magnitude of the net force acting on the box? Answer in Newtons.

A force of 109 N is used to accelerate a block of ice with a weight of 614 N along a horizontal surface where it encounters a kinetic friction force of 38 N. What is the horizontal acceleration of the block of ice?