Quiz #8 Practice: Forces on an Incline

Which labeled diagram correctly represents the parallelogram method for drawing the resultant of the two perpendicular vectors labeled 4 N and 3 N?

A cord pulls the object uphill along the surface of the incline. Which labeled vector best represents the tension force from the cord?

A toy car remains at rest while the incline changes from the 3rd hole to the 15th hole. The car’s mass does not change. As the incline angle increases, the force of gravity (a)   .

A toy car remains at rest while the incline changes from the 3rd hole to the 15th hole. As the incline angle increases, the force of normal (a)   .

A toy car remains at rest on an incline held by a string. As the incline angle increases from the 3rd hole to the 15th hole, the force of tension in the string (a)   .