1. A mass of 20 kg is at rest. Its momentum is
(A) 200 kg m/sec
(B) Zero
(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) Remain constant
(C) Becomes zero
(D) Decreases
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) System International
(D) F.P.S. System
5. Two forces of 5N and 3N are acting on a body making an angle of 180˚ with each other. Their resultant force is
(A) 15 N
(B) 6 N
(C) 35 N
(D) 2 N
6. Motion of molecules of a body at absolute zero is
(A) Maximum
(B) Zero
(C) Minimum
(D) Random
7. Newton is the unit of
(A) Force
(B) Work
(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) 19.6 N
(C) Zero
(D) 49 N