Net Torque on a Door Problem

Net Torque on a Door Problem

Assessment

Interactive Video

Physics, Science, Engineering, Architecture

11th Grade - University

Hard

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The video tutorial explains how to calculate the net torque on a door when three people apply forces at different points. It covers the calculation of individual torques using the formula involving the R vector, force, and angle. The tutorial also emphasizes the importance of the right hand rule to determine the direction of torque, concluding with the net torque calculation and its implications for the door's movement.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the force applied by Ryan on the door?

210 Newtons

150 Newtons

160 Newtons

170 Newtons

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is Kate's torque considered zero?

Because her force is negative

Because her force is zero

Because her distance from the hinge is zero

Because her angle is zero

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the calculated torque for Ryan?

115 Newton meters

0 Newton meters

96.9876 Newton meters

57.0068 Newton meters

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the right-hand rule determine the direction of torque?

By curling the fingers in the direction of the R vector

By pointing the thumb in the direction of force

By curling the fingers in the direction of force

By pointing the thumb in the direction of the R vector

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a positive net torque indicate about the door's movement?

The door will not move

The door will move counterclockwise

The door will move clockwise

The door will move in a straight line