An auto weighing 3000 newtons has a forward drive force of 1000 newtons. Air resistance on the car is 100 newtons, and road resistance is 100 newtons. The auto moves along a straight level road. The net force on this auto is
A) 200 newtons backward.
B) 1000 newtons forward.
C) 800 newtons backward.
D) 1200 newtons forward.
E) 800 newtons forward.
E
You might also like to view...
A conducting loop of wire has an area of 150 cm2 and a resistance of 25.0 ?. There is a magnetic field of 100 T perpendicular to the loop. At what rate must this field be reduced to induce a current of 0.100 A in the loop?
A) 167 T/s B) 60.0 T/s C) 5.58 T/s D) 0.354 T/s E) 120 T/s
A radioactive isotope of atomic number Z emits a beta-minus particle, and then the daughter nucleus emits a gamma ray. What is the atomic number of the resulting nucleus after both processes?
A) Z - 3 B) Z + 1 C) Z - 2 D) Z - 1
Which is the densest planet in the solar system?
A) Mercury B) Venus C) Earth D) Mars E) Jupiter
The longest stage in the life cycle of a star is as a(n) ________ star
Fill in the blank(s) with correct word