Eliza pushes a carboard box across a level carpeted room at a constant speed v0. The constant horizontal force applied by Eliza must be… A) the same magnitude as the weight of the box B) greater than the weight of the box C) the same magnitude as the friction force acting on the box D) greater than the friction force acting on the box E) greater than both the friction force acting on the box and the weight of the box

A crane lowers a shipping container with a steel cable. The container moves down at a constant velocity. The tension in the cable is ___ the weight of the cratea) greater thanb) equal toc) less thand) not enough information to tell

1a) You pull on a large box using a rope as in figure, except the rope is at an angle of 15 degrees below the horizontal. The weight of the box is 325N, and the coefficient of kinetic friction between the box and the floor is 0.270. What must be the tension in the rope to make the box move at a constant velocity? b) what is the normal force that the floor exerts on the box?

A 275-lb block rests on a horizontal floor. The coefficients of friction between the block and the floor are 0.53 for static and 0.36 for kinetic respectively. Determine the force (P) that is required to a) Just break the block loose and get it movingb) Maintain the block moving at a constant speed

A 2.40-kg block starts from rest at the top of a 30.0° incline and slides a distance of 2.10 m down the incline in 2.00 s. (a) Find the magnitude of the acceleration of the block. m/s² (b) Find the coefficient of kinetic friction between block and plane. (c) Find the friction force acting on the block. magnitude N direction -Select--- (d) Find the speed of the block after it has slid 2.10 m. m/s

A man is pulling up on a rope which is redirected around a massless frictionless pulley. The box is partially resting on the floor. The elevator is traveling upwards but slowly  a) imagine a scale is placed under the box. Which of these forces on the box represents what the scale reads? b) solve for the scale reading w the following values: m=10kg, a=2m/s^2, force of box on rope = 5N, force of box on man = 600N c) what is the 3rd law reaction pair to Force of box on earth in 2 subscript notation?

(c4p20) A 20.00 kg block is pushed up a frictionless inclined plane that makes an angle of θ = 36 o with the horizontal direction. What force is needed to move the block with constant speed? Assume that the force is parallel to the surface of the plane.

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1) (25 pts) A box rests on a frozen pond, which serves as a frictionless horizontal surface. A fisherman applies a horizontal force with magnitude 52.5N to the box and produces an acceleration of magnitude 2.80m/s² a) (5 pts) Draw a free body diagram b) (10 pts) What is the mass of the box? c) (10 pts) If there is now a coefficient of kinetic friction of 0.100 between the box and the ice what is the new acceleration?