Phy Tsest#4 X
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DUAA
EDUCATION
Physics X
ACADEMY,
Test No:04
NOTE:-SELECT THE BEST CHOICE:1) Torque is _____________ quantity (a) Vector (b) Scalar (c) Simple (d) NOT 2) Torque is product of force & ___________. (a) Velocity (b) Acceleration (c) Speed (d) Moment of arm 3) Torque in counter clockwise direction is _______ (a) +ve (b) –ve (c) Zero (d) NOT 4) The S.I unit of torque is ____________ (a) N.S (b) Toule-sec (c) N. m (d) N. cm 5) Law of gravitation is directly proportional to product of (a) Radius (b) Masses (c) Charges (d) Velocities 6) The S.I unit of “G” is (a) N.m2/kg (b) N.m2/kg2 (c) N2.m/kg (d) N2.m2/kg2
GHOTKI November 23, 2009
12) If the masses of the bodies are doubled, then gravitational force will (a) Be doubled (b) Be Half (c) Become 4 times (d) Become 8 times 13) Active & reactive force are ______ to each other (a) Parallel (b) Perpendicular (c) Anti-parallel (d) AOT 14) A 10kg mass moving with velocity of 2m/s. momentum will be (a) 20 N. s (b) 40 N. s (c) 8 N. s
(d) 12 N. s
15) The value of mass of earth is _______ kg (a) 6x1022 (b)6x1024 30 (c) 6x10 (d) 6x1020 16) The weight is directed in direction of
7) The value of “G” is ___________. (a) 9.8 m/s2 (b) 6.67x10-11 N.m2/kg2 (c) 6.67x10-11 N.m/kg2 (d) NOT 8) In equilibrium body should be __________ (a) At rest (b) Uniform motion (c) Both a and b (d) In variable motion 9)
∑ T = 0 is called _________ condition of equilibrium (a) 1st (c) 3rd
(b) 2nd (d) No-any condition
10) When sum of all force acting on a body is zero, then it is called ______ equilibrium (a) 1st condition (b) 2nd condition (c) Both (d) NOT 11) Two masses 1kg each are placed 1m apart, then gravitational force will be. (a) 6.67x10-8N (b) 6.67x10-11N (c) 6.67x10-9N
(d) 6.67x10-10N
(a) Velocity (c) Mass
(b) Acceleration (d) Direction of “g”
17) The value of “g” at height __________ (a) Increases (b) Decreases (c) Remains same
(d) NOT
18) Mass at height will ____________. (a) Increase (b) Decrease (c) Remain same
(d) Zero
19) In F=ma, if mass increases, then “a” (a) Increases (b) Decreases (c) No. effect on Acceleration (d) NOT 20) Standing of buildings on the ground are example of ________ (a) Static (b) Dynamic (c) Both a & b
(d) NOT
WISH U A GOOD LUCK ***Composed by: Arsalan Hafeez Dayo***
EDUCATION
Physics X
ACADEMY,
Test No:04
NOTE:-SELECT THE BEST CHOICE:1) Torque is _____________ quantity (a) Vector (b) Scalar (c) Simple (d) NOT 2) Torque is product of force & ___________. (a) Velocity (b) Acceleration (c) Speed (d) Moment of arm 3) Torque in counter clockwise direction is _______ (a) +ve (b) –ve (c) Zero (d) NOT 4) The S.I unit of torque is ____________ (a) N.S (b) Toule-sec (c) N. m (d) N. cm 5) Law of gravitation is directly proportional to product of (a) Radius (b) Masses (c) Charges (d) Velocities 6) The S.I unit of “G” is (a) N.m2/kg (b) N.m2/kg2 (c) N2.m/kg (d) N2.m2/kg2
GHOTKI November 23, 2009
12) If the masses of the bodies are doubled, then gravitational force will (a) Be doubled (b) Be Half (c) Become 4 times (d) Become 8 times 13) Active & reactive force are ______ to each other (a) Parallel (b) Perpendicular (c) Anti-parallel (d) AOT 14) A 10kg mass moving with velocity of 2m/s. momentum will be (a) 20 N. s (b) 40 N. s (c) 8 N. s
(d) 12 N. s
15) The value of mass of earth is _______ kg (a) 6x1022 (b)6x1024 30 (c) 6x10 (d) 6x1020 16) The weight is directed in direction of
7) The value of “G” is ___________. (a) 9.8 m/s2 (b) 6.67x10-11 N.m2/kg2 (c) 6.67x10-11 N.m/kg2 (d) NOT 8) In equilibrium body should be __________ (a) At rest (b) Uniform motion (c) Both a and b (d) In variable motion 9)
∑ T = 0 is called _________ condition of equilibrium (a) 1st (c) 3rd
(b) 2nd (d) No-any condition
10) When sum of all force acting on a body is zero, then it is called ______ equilibrium (a) 1st condition (b) 2nd condition (c) Both (d) NOT 11) Two masses 1kg each are placed 1m apart, then gravitational force will be. (a) 6.67x10-8N (b) 6.67x10-11N (c) 6.67x10-9N
(d) 6.67x10-10N
(a) Velocity (c) Mass
(b) Acceleration (d) Direction of “g”
17) The value of “g” at height __________ (a) Increases (b) Decreases (c) Remains same
(d) NOT
18) Mass at height will ____________. (a) Increase (b) Decrease (c) Remain same
(d) Zero
19) In F=ma, if mass increases, then “a” (a) Increases (b) Decreases (c) No. effect on Acceleration (d) NOT 20) Standing of buildings on the ground are example of ________ (a) Static (b) Dynamic (c) Both a & b
(d) NOT
WISH U A GOOD LUCK ***Composed by: Arsalan Hafeez Dayo***
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