A block of mass M slides down a frictionless plane inclined at an angle ? with the horizontal. The normal reaction force exerted by the plane on the block is
A) Mg sin ?.
B) zero, since the plane is frictionless.
C) Mg cos ?.
D) Mg.
E) Mg tan ?.
C
Physics & Space Science
You might also like to view...
The dusty ring around Jupiter was discovered in 1979 by ________
Fill in the blank(s) with correct word
Physics & Space Science
Briefly explain diffraction fringes
What will be an ideal response?
Physics & Space Science
In a double slit experiment, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m,
find the spacing between the first-order and second-order bright fringes when coherent light of wavelength 600 nm illuminates the slits. A) 1.5 cm B) 3.0 cm C) 4.5 cm D) 6.0 cm E) 9.0 cm
Physics & Space Science
If you add two vectors with magnitudes of 200 and 40, which of the following is the only possible resultant?
A. 100 B. 260 C. 0 D. 200 E. 40
Physics & Space Science