1. . A mass of 20 kg is at rest. Its momentum is
(A) Zero
(B) 200 kg·m/sec
(C) 196 N·sec
(D) 20 kg·m/sec
2. . As we go away from the surface of Earth, the value of g
(A) Increases
(B) Decreases
(C) Becomes zero
(D) Remains constant
3. . How many feet are in a yard?
(A) One
(B) Two
(C) Three
(D) Four
4. . S.I. is also called
(A) M.K.S. System
(B) C.G.S. System
(C) F.P.S. System
(D) System International
5. . Two forces of 5 N and 3 N are acting on a body making an angle of 180˚ with each other. Their resultant force is
(A) 6 N
(B) 15 N
(C) 35 N
(D) 2 N
6. . Motion of molecules of a body at absolute zero is
(A) Maximum
(B) Minimum
(C) Zero
(D) Random
7. . Newton is the unit of
(A) Work
(B) Force
(C) Energy
(D) Torque
8. . Force per unit area is called
(A) Density
(B) Viscosity
(C) Pressure
(D) Energy
9. . The weight of a body is 9.8 N. Its mass is
(A) 9.8 kg
(B) 98 kg
(C) 1 kg
(D) 10 kg
10. . A 5 kg mass is falling freely. Its weight will be
(A) 5 N
(B) Zero
(C) 19.6 N
(D) 49 N