The surface of the inclined plane shown is frictionless. If F = 30 N, what is the magnitude of the force exerted on the 3.0-kg block by the 2.0-kg block?
A. 18 N
B. 27 N
C. 24 N
D. 21 N
E. 15 N
Answer: A
You might also like to view...
A ball of mass 3m at speed v approaches a ball of mass 2m at speed -2v and they are about to collide. After the collision, what is the speed of the center of mass?
A. v B. -v/5 C. v/5 D. -v E. Can't decide because we don't know whether this collision is inelastic or elastic
By Newton's Third law, Earth's pull on the Moon is equal to the Moon's pull on Earth.
Answer the following statement true (T) or false (F)
An object has a mass of 60 kg on Earth. What are the mass and weight of this object on the surface of the Moon where the acceleration due to gravity is only 1/6 of what it is on Earth?
What will be an ideal response?
A 15-mF capacitor is charged to 40 V and then connected across an initially uncharged 25-mF capacitor. What is the final potential difference across the 25-mF capacitor?
a. 12 V b. 18 V c. 15 V d. 21 V e. 24 V