The centre of gravity of ai glit angled triangle OAB with right angle at O is: 44. (A] Gou fon) (B] (a0; vo:). 151 45. The diagram in figure 3 be ow shows a rod of length 6 m and weight 12 N pivoted it a point P.4 m from one end. Loads of weights 8 N and FN are placed at the ends of the rod. 4m 2m GN 1:N F Finure 3 Given that the system is in equilibrium. the magnitude of the force F is: [A] 20 N (B] 8 N [C) 18N
The centre of gravity of ai glit angled triangle OAB with right angle at O is: 44. (A] Gou fon) (B] (a0; vo:). 151 45. The diagram in figure 3 be ow shows a rod of length 6 m and weight 12 N pivoted it a point P.4 m from one end. Loads of weights 8 N and FN are placed at the ends of the rod. 4m 2m GN 1:N F Finure 3 Given that the system is in equilibrium. the magnitude of the force F is: [A] 20 N (B] 8 N [C) 18N
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Answer 44, 45
![The work done by a force of magnitude F in moving a
particle through a distançe of 10 m is 300 J. The force F
is;
IA 3000 N
IBJ 30 N
ICI 300 N
IDI 3 N
The centre of gravity of a iiglht angled triangle OAB with
right angle at O is:
44.
47.
[A]
20B
vo Iv
48.
Two events A and B are said to be independent if:
(AJ P(BIA) = P(4)
(BJ P(BIA) = P(A)xP(B)
|CJ P(BIA)= P(B)
IDI fon jon)
45.
The diagram in figure 3 be ow shows a rod of length 6 m
and weight 12 N pivoted it a point P. 4 m from one end.
IDJ P(AUB)= P(4)x P(B)
A system with 3 particles of masses 3kg, 8kg and m kg
are located at positions with coordinates (-4.6). (-1.-3)
Loads of weights 8 N and FN are placed at the ends of
19.
the rod.
4m
2m
and (10, 2) respectively. Given that the centre of gravity is
at (3,1). The inass m must be
GN
1:N
[A]
kg
F
[B]
kg
7
Finure 3
[CJ
44 kg
Given that the system is in equilibrium. the magnitude of
the force F is:
44
[D]
3
[A] 20 N
[B] 8 N
[C]
50.
A bag contains 5 red balls, 4 blue balls and 2 white balls.
18 N
[D] 4 N
Two balls are selected at random from the bag one after the
other without replacement. Given that the probahility of](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe4957fe4-4c01-40d3-938e-f3efa5fe6d1c%2Fb6bc0207-711e-4498-a937-abbd23237a67%2Fmx1zbt4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The work done by a force of magnitude F in moving a
particle through a distançe of 10 m is 300 J. The force F
is;
IA 3000 N
IBJ 30 N
ICI 300 N
IDI 3 N
The centre of gravity of a iiglht angled triangle OAB with
right angle at O is:
44.
47.
[A]
20B
vo Iv
48.
Two events A and B are said to be independent if:
(AJ P(BIA) = P(4)
(BJ P(BIA) = P(A)xP(B)
|CJ P(BIA)= P(B)
IDI fon jon)
45.
The diagram in figure 3 be ow shows a rod of length 6 m
and weight 12 N pivoted it a point P. 4 m from one end.
IDJ P(AUB)= P(4)x P(B)
A system with 3 particles of masses 3kg, 8kg and m kg
are located at positions with coordinates (-4.6). (-1.-3)
Loads of weights 8 N and FN are placed at the ends of
19.
the rod.
4m
2m
and (10, 2) respectively. Given that the centre of gravity is
at (3,1). The inass m must be
GN
1:N
[A]
kg
F
[B]
kg
7
Finure 3
[CJ
44 kg
Given that the system is in equilibrium. the magnitude of
the force F is:
44
[D]
3
[A] 20 N
[B] 8 N
[C]
50.
A bag contains 5 red balls, 4 blue balls and 2 white balls.
18 N
[D] 4 N
Two balls are selected at random from the bag one after the
other without replacement. Given that the probahility of
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