Two blocks are connected via a pulley. The blocks are initially at rest as block m 1 is attached to a wall. If string A breaks, what will be the relationship between the accelerations of the blocks? (Assume friction is negligible and the strings don’t stretch) (a 1 means acceleration of block m 1 )

a 1 < a 2 a_1\ <\ a_2 a 1 < a 2

Two blocks are connected via a pulley. The blocks are initially at rest as block m 1 is attached to a wall. If string A breaks, what will the accelerations of the blocks be? (Assume friction is negligible and the strings don’t stretch) (a 1 means acceleration of block m 1 )

a 1 = a 2 = m 1 g m 1 + m 2 a_1=a_2=\frac{m_1g}{m_1+m_2} a 1 = a 2 = m 1 + m 2 m 1 g

a 1 = a 2 = g m 1 + m 2 a_1=a_2=\frac{g}{m_1+m_2} a 1 = a 2 = m 1 + m 2 g

Two blocks are connected via a pulley. The blocks are initially at rest. If the blocks are let go, what will be the magnitude of their acceleration? (Assume: the strings don’t stretch and m1 > m2) [by the way you can select more than one!]

( m 2 − m 1 ) g m 1 + m 2 \frac{\left(m_2-m_1\right)g}{m_1+m_2} m 1 + m 2 ( m 2 − m 1 ) g

( m 1 − m 2 ) g m 1 + m 2 \frac{\left(m_1-m_2\right)g}{m_1+m_2} m 1 + m 2 ( m 1 − m 2 ) g

m 2 g m 1 + m 2 \frac{m_2g}{m_1+m_2} m 1 + m 2 m 2 g

m 1 g m 1 + m 2 \frac{m_1g}{m_1+m_2} m 1 + m 2 m 1 g

m 2 g ( m 1 + m 2 ) \frac{m_2}{g\left(m_1+m_2\right)} g ( m 1 + m 2 ) m 2

Force diagrams and equilibrium

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Force diagrams and equilibrium

Quiz

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Mathematics, Physics

•

11th - 12th Grade

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Practice Problem

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Hard

Gary Foster

Used 29+ times

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18 questions

Show all answers

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which of the force diagrams could represent a ball in free fall, if there is no air resistance?

MULTIPLE SELECT QUESTION

45 sec • 1 pt

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which two force diagrams could represent a suitcase standing at rest on a smooth floor?

MULTIPLE SELECT QUESTION

2 mins • 1 pt

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which force diagram could represent a suitcase being pushed across a rough floor?

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which force diagram could represent a glider flying at constant velocity, assuming negligible air resistance?

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

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In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

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1 min • 1 pt

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

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Force diagrams and equilibrium

18 questions

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which of the force diagrams could represent a ball in free fall, if there is no air resistance?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which two force diagrams could represent a suitcase standing at rest on a smooth floor?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which force diagram could represent a suitcase being pushed across a rough floor?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which force diagram could represent a glider flying at constant velocity, assuming negligible air resistance?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which force diagram could represent a rocket, just after the engines have ignited, but before it begins to leave the ground?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which force diagram could represent a spider hanging by a thread?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which force diagram could represent a puck sliding across perfectly smooth ice, assuming no air resistance?

In the diagram below, the pulleys are assumed frictionless. The acceleration due to gravity is g.

If the system is in equilibrium, what is the size of the tension T₂? [I'll assume your answer is in Newtons, don't add this unit to your answer]

In the diagram below, the pulleys are assumed frictionless. The acceleration due to gravity is g.

If the maximum frictional force is F and it is not sufficient for the system to remain in equilibrium, what is the resultant force on the 10 kg mass?

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Force diagrams and equilibrium

18 questions

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.Which of the force diagrams could represent a ball in free fall, if there is no air resistance?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.Which two force diagrams could represent a suitcase standing at rest on a smooth floor?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.Which force diagram could represent a suitcase being pushed across a rough floor?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.Which force diagram could represent a glider flying at constant velocity, assuming negligible air resistance?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.Which force diagram could represent a rocket, just after the engines have ignited, but before it begins to leave the ground?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.Which force diagram could represent a spider hanging by a thread?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.Which force diagram could represent a puck sliding across perfectly smooth ice, assuming no air resistance?

In the diagram below, the pulleys are assumed frictionless. The acceleration due to gravity is g.If the system is in equilibrium, what is the size of the tension T2? [I'll assume your answer is in Newtons, don't add this unit to your answer]

In the diagram below, the pulleys are assumed frictionless. The acceleration due to gravity is g.If the maximum frictional force is F and it is not sufficient for the system to remain in equilibrium, what is the resultant force on the 10 kg mass?

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In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which of the force diagrams could represent a ball in free fall, if there is no air resistance?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which two force diagrams could represent a suitcase standing at rest on a smooth floor?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which force diagram could represent a suitcase being pushed across a rough floor?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which force diagram could represent a glider flying at constant velocity, assuming negligible air resistance?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which force diagram could represent a rocket, just after the engines have ignited, but before it begins to leave the ground?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which force diagram could represent a spider hanging by a thread?

In the diagrams below, R stands for Reaction, W stands for Weight, T stands for Tension, P is an additional force and F stands for Friction.

Which force diagram could represent a puck sliding across perfectly smooth ice, assuming no air resistance?

In the diagram below, the pulleys are assumed frictionless. The acceleration due to gravity is g.

If the system is in equilibrium, what is the size of the tension T₂? [I'll assume your answer is in Newtons, don't add this unit to your answer]

In the diagram below, the pulleys are assumed frictionless. The acceleration due to gravity is g.

If the maximum frictional force is F and it is not sufficient for the system to remain in equilibrium, what is the resultant force on the 10 kg mass?