Moment of a Force
Assessment
•
undefined undefined
•
Physics
•
11th Grade
•
67 plays
•
Hard
Student preview
15 questions
Show all answers
1.
MULTIPLE CHOICE
15 mins • 1 pt
If the moment required to loosen a nut on the wheel of a car has a magnitude of 60.0 Nm, what minimum perpendicular force must be exerted by a mechanic at the end of a 45.0 cm wrench to loosen the nut?
2.
MULTIPLE CHOICE
15 mins • 1 pt
Find the magnitude of the moment produced by a 5.0 N force applied to a door, at a perpendicular distance of 65 cm from the hinge.
3.
MULTIPLE CHOICE
15 mins • 1 pt
What is the distance of the 14 kg mass on the right from the pivot, if it balances with the two masses on the left? (3 kg mass is 65 cm from pivot, 10 kg mass is 35 cm from pivot).
4.
MULTIPLE CHOICE
30 sec • 1 pt
You apply your maximum force to a wrench to tighten a bolt. Unfortunately, the wrench breaks exactly in half. You continue to try to use the shortened wrench to tighten the bolt. Which sentence is correct?
5.
MULTIPLE CHOICE
30 sec • 1 pt
A seesaw is unbalanced with two people of different masses sitting equal distances from the center. Which of the following will result in equilibrium?
6.
MULTIPLE CHOICE
5 mins • 1 pt
A wrench is used to tighten a nut. A 15 N perpendicular force is applied 50 cm away from the axis of rotation, and moves a distance of 10 cm as it turns. What is the turning effect of the force applied to the wrench?
7.
MULTIPLE CHOICE
45 sec • 1 pt
The least force is required to open a heavy door is by applying the force
8.
MULTIPLE CHOICE
5 mins • 1 pt
A 800 N man is playing on a seesaw with his son who has a weight of 200 N. If the child is sitting 3 meters away from the fulcrum, how far will the man have to sit from the fulcrum to balance the seesaw in equilibrium?
9.
MULTIPLE CHOICE
45 sec • 1 pt
What is the unit for moment of a force?
10.
MULTIPLE CHOICE
1 min • 1 pt
In the diagram above, two masses, one with mass m, the other with mass M = 2m are resting on a uniform plank of length L that pivots at its midpoint. If the mass m is at the far end of the plank, how far away from the pivot should the mass M be to balance the plank in a horizontal position shown?
Explore all questions with a free account
Microsoft
Apple
Others
Find a similar activity
Create activity tailored to your needs using
.svg)