Join / Login

>>Class 11
>>Physics
>>Laws of Motion
>>Equilibrium of Bodies
>> $A uniform rod AB mass m = 1.12 kg and le$

Question

A uniform rod AB mass m= 1.12 kg and length l= 100 cm is placed on a sharp support O such that AO = a = 40 cm and OB = b = 60 cm. To keep the rod horizontal, its end A is tied with a thread. Calculate reaction of support O on the rod when the thread is burnt. ( g 10 $m s^{- 1}$ )

40 N

10 N

15.5 N

20 N

Hard

Open in App

Solution

Verified by Toppr

Correct option is B)

Solve any question of Laws of Motion with:-

Patterns of problems

Was this answer helpful?

A metal bar $70 c m$ long and $4.00 k g$ in mass supported on two knife-edges placed $10 c m$ from each end. A $6.00 k g$ load is suspended at $30 c m$ from one end. Find the reactions at the knife-edges. (Assume the bar to be of uniform cross section and homogeneous.)

Hard

View solution

A uniform rod $A B$ is suspended from a point $X$ , at a variable distance $x$ from $A$ , as shown. To make the rod horizontal, a mass $m$ is suspended from its end $A$ . A set of $(m, x)$ values is recorded. The appropriate variables that give a straight line, when plotted, are:

Medium

JEE Mains

View solution

A uniform rod of mass 1 kg is hanging from a thread attached at the midpoint of the rod. A block of mass $m$ =3kg hangs at the left end of the rod and block of mass $M$ hangs at the right side at 80 cm from block $m$ . If system is in equilibrium. Calculate $M$ .

Medium

View solution

A uniform rod of weight $F_{g}$ and length $L$ is supported at its ends by a frictionless trough as shown in the Figure $12.68$ .
Is the equilibrium of the rod stable or unstable?

Hard

View solution

A uniform rod of length $L$ and mass $2 M$ rests over two supports $A$ and $B$ . A particle having mass, $M$ is placed at the right end. Determine the reactions at supports $A$ and $B$ .

Medium

View solution

Laws of Motion

View chapter >

Shortcuts & Tips

Memorization tricks

Common Misconceptions

Important Diagrams

Problem solving tips

Mindmap

Cheatsheets

Practice more questions

JEE Mains Questions

A uniform rod AB mass m= 1.12 kg and length l= 100 cm is placed on a sharp support O such that AO = a = 40 cm and OB = b = 60 cm. To keep the rod horizontal, its end A is tied with a thread. Calculate reaction of support O on the rod when the thread is burnt. ( g 10 $m s^{- 1}$ )

40 N

10 N

15.5 N

20 N

Solution

Patterns of problems

Was this answer helpful?

Similar questions

A metal bar $70 c m$ long and $4.00 k g$ in mass supported on two knife-edges placed $10 c m$ from each end. A $6.00 k g$ load is suspended at $30 c m$ from one end. Find the reactions at the knife-edges. (Assume the bar to be of uniform cross section and homogeneous.)

A uniform rod $A B$ is suspended from a point $X$ , at a variable distance $x$ from $A$ , as shown. To make the rod horizontal, a mass $m$ is suspended from its end $A$ . A set of $(m, x)$ values is recorded. The appropriate variables that give a straight line, when plotted, are:

A uniform rod of mass 1 kg is hanging from a thread attached at the midpoint of the rod. A block of mass $m$ =3kg hangs at the left end of the rod and block of mass $M$ hangs at the right side at 80 cm from block $m$ . If system is in equilibrium. Calculate $M$ .

A uniform rod of weight $F_{g}$ and length $L$ is supported at its ends by a frictionless trough as shown in the Figure $12.68$ .
Is the equilibrium of the rod stable or unstable?

A uniform rod of length $L$ and mass $2 M$ rests over two supports $A$ and $B$ . A particle having mass, $M$ is placed at the right end. Determine the reactions at supports $A$ and $B$ .

More From Chapter

Laws of Motion

Shortcuts & Tips

Memorization tricks

Common Misconceptions

Important Diagrams

Problem solving tips

Mindmap

Cheatsheets

Practice more questions

1 Qs

3 Qs

1 Qs

2 Qs

1 Qs

142 Qs

A uniform rod AB mass m= 1.12 kg and length l= 100 cm is placed on a sharp support O such that AO = a = 40 cm and OB = b = 60 cm. To keep the rod horizontal, its end A is tied with a thread. Calculate reaction of support O on the rod when the thread is burnt. ( g 10 ms−1)

40 N

10 N

15.5 N

20 N

Patterns of problems

Was this answer helpful?

Similar questions

A metal bar 70 cm long and 4.00 kg in mass supported on two knife-edges placed 10 cm from each end. A 6.00 kg load is suspended at 30 cm from one end. Find the reactions at the knife-edges. (Assume the bar to be of uniform cross section and homogeneous.)

A uniform rod AB is suspended from a point X, at a variable distance x from A, as shown. To make the rod horizontal, a mass m is suspended from its end A. A set of (m,x) values is recorded. The appropriate variables that give a straight line, when plotted, are:

A uniform rod of mass 1 kg is hanging from a thread attached at the midpoint of the rod. A block of mass m=3kg hangs at the left end of the rod and block of mass M hangs at the right side at 80 cm from block m. If system is in equilibrium. Calculate M.

A uniform rod of weight Fg​ and length L is supported at its ends by a frictionless trough as shown in the Figure 12.68. Is the equilibrium of the rod stable or unstable?

A uniform rod of length L and mass 2M rests over two supports A and B. A particle having mass, M is placed at the right end. Determine the reactions at supports A and B.

More From Chapter

Laws of Motion

Shortcuts & Tips

Memorization tricks

Common Misconceptions

Important Diagrams

Problem solving tips

Mindmap

Cheatsheets

Practice more questions

1 Qs

3 Qs

1 Qs

2 Qs

1 Qs

142 Qs

A uniform rod AB mass m= 1.12 kg and length l= 100 cm is placed on a sharp support O such that AO = a = 40 cm and OB = b = 60 cm. To keep the rod horizontal, its end A is tied with a thread. Calculate reaction of support O on the rod when the thread is burnt. ( g 10 $m s^{- 1}$ )

A metal bar $70 c m$ long and $4.00 k g$ in mass supported on two knife-edges placed $10 c m$ from each end. A $6.00 k g$ load is suspended at $30 c m$ from one end. Find the reactions at the knife-edges. (Assume the bar to be of uniform cross section and homogeneous.)

A uniform rod $A B$ is suspended from a point $X$ , at a variable distance $x$ from $A$ , as shown. To make the rod horizontal, a mass $m$ is suspended from its end $A$ . A set of $(m, x)$ values is recorded. The appropriate variables that give a straight line, when plotted, are:

A uniform rod of mass 1 kg is hanging from a thread attached at the midpoint of the rod. A block of mass $m$ =3kg hangs at the left end of the rod and block of mass $M$ hangs at the right side at 80 cm from block $m$ . If system is in equilibrium. Calculate $M$ .

A uniform rod of weight $F_{g}$ and length $L$ is supported at its ends by a frictionless trough as shown in the Figure $12.68$ .
Is the equilibrium of the rod stable or unstable?

A uniform rod of length $L$ and mass $2 M$ rests over two supports $A$ and $B$ . A particle having mass, $M$ is placed at the right end. Determine the reactions at supports $A$ and $B$ .