Log in
Sign up for FREE
arrow_back
Library

Moments Yr11 OALH

star
star
star
star
star
Last updated about 5 years ago
45 questions
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Do Now
Question 1
1.

Give the equation which links momentum, mass, and velocity.

Question 2
2.

Give the equation which links change in momentum, time, and force.

Question 3
3.

Describe the main safety features of a car.

Question 4
4.

In the required practical which investigates the effect of force on acceleration, state what is used to calculate acceleration.

Question 5
5.

Calculate the speed of a car in metres per second that travels 54.3 kilometres in 35.1 minutes. Give your answer to 3 significant figures.

Question 6
6.

Calculate the power needed to raise a 50 kg object 15 metres in the air, in 10 seconds.

Key Knowledge
Question 7
7.

Define moment.

Question 8
8.

When is an object in equilibrium?

Question 9
9.

Define pivot.

Question 10
10.

How is distance from the pivot measured?

Question 11
11.

Give the equation for moment.

Question 12
12.

Define moment.

Question 13
13.

When is an object in equilibrium?

Question 14
14.

Define pivot.

Question 15
15.

How is distance from the pivot measured?

Question 16
16.

Give the equation for moment.

Recall Quiz
Question 17
17.

1. Which of the following equations is incorrect?

Question 18
18.

2. State the units for moment.

Question 19
19.

3. If the barrel has a mass of 90 kg, what is the mass of the box?

Question 20
20.

4. When the supports are removed, which of the following will happen?

Application Task
Question 21
21.

We do - Explain why the object in the image is not balanced.

Both bricks exert a _____________ force on the lever. The pivot causes the left-hand force to make the lever want to turn _________________, while the right-hand force makes the lever want to turn _________________.
The right-hand mass is _________________ the left-hand mass, so its weight is ______________.
However, the left-hand mass is ___________ as far from the pivot as the right-hand mass.
Because moment equals force times distance, the moment of the right-hand mass is ____________ than the moment of the left-hand mass, so the lever turns ________________________.

Question 22
22.

You do - Explain why the object in the image is balanced.

Question 23
23.

1. Calculate moment on a lever if a force of 77 newtons is applied 40 metres from the pivot.

Question 24
24.

2. Calculate moment on a lever if a force of 69 kilonewtons is applied 99 centimetres from the pivot.

Question 25
25.

3. Calculate the distance from the pivot a force is applied if the force is 66 newtons and the moment is 28 newton-metres.

Question 26
26.

4. Calculate the force on a turning object if the moment is 88 newton-metres and the force is applied 5 centimetres from the pivot.

Work Sheet
Question 27
27.

1. Calculate moment on a lever if a force of 27 newtons is applied 28 metres from the pivot.

Question 28
28.

2. Calculate moment on a lever if a force of 29 newtons is applied 66 metres from the pivot.

Question 29
29.

3. Calculate moment on a lever if a force of 82 kilonewtons is applied 27 metres from the pivot.

Question 30
30.

4. Calculate moment on a lever if a force of 64 kilonewtons is applied 30 centimetres from the pivot.

Question 31
31.

5. Calculate moment on a lever if a force of 9 newtons is applied 15 millimetres from the pivot.

Question 32
32.

6. Calculate the distance from the pivot a force is applied if the force is 34 newtons and the moment is 26 newton-metres.

Question 33
33.

7. Calculate the distance from the pivot a force is applied if the force is 21 newtons and the moment is 15 newton-metres.

Question 34
34.

8. Calculate the distance from the pivot a force is applied if the force is 11 centinewtons and the moment is 27 newton-metres.

Question 35
35.

9. Calculate the distance from the pivot a force is applied if the force is 62 newtons and the moment is 82 newton-metres.

Question 36
36.

10. Calculate the force on a turning object if the moment is 47 newton-metres and the force is applied 95 metres from the pivot.

Question 37
37.

11. Calculate the force on a turning object if the moment is 25 newton-metres and the force is applied 67 centimetres from the pivot.

Question 38
38.

12. Calculate the force on a turning object if the moment is 10 newton-metres and the force is applied 14 kilometres from the pivot.

Question 39
39.

13. Calculate the force on a turning object if the moment is 70 newton-metres and the force is applied 19 millimetres from the pivot.

Question 40
40.

14. Calculate the force on a turning object if the moment is 87 newton-metres and the force is applied 56 metres from the pivot.

Plenary
Question 41
41.

1. The units for moment are newtons.

Question 42
42.

2. Moment equals force times mass.

Question 43
43.

3. A pivot is a point about which an object rotates.

Question 44
44.

4. Distance equals moment divided by force.

Question 45
45.

5. Distance is measured perpendicular to the force, from the pivot to the force.