Science Homework Help

Science Homework Help. What is the force exerted by the floor on the chair? Physics homework help

A chair of weight 140

lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of

= 38.0

directed at an angle of 34.0

below the horizontal and the chair slides along the floor.

Part A

Using Newton’s laws, calculate

, the magnitude of the normal force that the floor exerts on the chair.

Express your answer in newtons.