please help questions with 5,6,7 5. A block weighing 10.0 newtons is on a ramp inclinedat 30.0° to the horizontal. A 3.0-newton force offriction, Fr, acts on the block as it is pulled up theramp at constant velocity with force F, which isparallel to the ramp, as shown in the diagram below.v (constant)-10.0 NF = 3.0 Nal30.0°Horizontal(Vectors not drawn to scale)What is the magnitude of force F?A) 7.0 N B) 8.0 N C) 10 N D) 13 Nat6. Two spheres, A and B, are simultaneously projectedhorizontally from the top of a tower. Sphere A has ahorizontal speed of 40. meters per second and sphereB has a horizontal speed of 20. meters per second.Which statement best describes the time required forthe spheres to reach the ground and the horizontaldistance they travel? [Neglect friction and assume theground is level.]A) Both spheres hit the ground at the same time andat the same distance from the base of the tower.B) Both spheres hit the ground at the same time, butsphere A lands twice as far as sphere B from thebase of the tower.C) Both spheres hit the ground at the same time, butsphere B lands twice as far as sphere A from thebase of the tower.leD) Sphere A hits the ground before sphere B, andsphere A lands twice as far as sphere B from thebase of the tower7. Equilibrium exists in a system where three forces areacting concurrently on an object. If the systemincludes a 5.0-newton force due north and a2.0-newton force due south, the third force must beA) 7.0 N southC) 3.0 N southB) 7.0 N northD) 3.0 N north

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5. A block weighing 10.0 newtons is on a ramp inclined at 30.0° to the horizontal. A 3.0-newton force of friction, Fr, acts on the block as it is pulled up the ramp at constant velocity with force F, which is parallel to the ramp, as shown in the diagram below. v (constant)- 10.0 N F = 3.0 N 30.0° Horizontal (Vectors not drawn to scale) What is the magnitude of force F? A) 7.0 N B) 8.0 N C) 10 N D) 13 N

5. A block weighing 10.0 newtons is on a ramp inclined at 30.0° to the horizontal. A 3.0-newton force of friction, Fr, acts on the block as it is pulled up the ramp at constant velocity with force F, which is parallel to the ramp, as shown in the diagram below. v (constant)- 10.0 N F = 3.0 N 30.0° Horizontal (Vectors not drawn to scale) What is the magnitude of force F? A) 7.0 N B) 8.0 N C) 10 N D) 13 N

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter3: Force And Motion

Section: Chapter Questions

Problem 10SA: What is the unbalanced force acting on a moving car with a constant velocity of 25 m/s (56 mi/h)?

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