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- 1. Multiple Choice
Diagram shows a boy is pulling a 50 kg box along a rough floor.
Which combination of forces F1 and F2 will produce an acceleration of 2 m s-2?
F1 : 100N F2 : 200N
F1 : 200N F2 : 400N
F1 : 300N F2 : 600N
F1 : 400N F2 : 800N
- 2. Multiple Choice
A constant force of 20 N acts on a block placed on a rough surface as shown in Diagram.
If the friction is 5 N, the block will move with
constant velocity
constant acceleration
increasing acceleration
decreasing acceleration
- 3. Multiple Choice
Diagram shows Jamal drives a bike at a constant speed of 25 ms-1. The two forces resisting motion are air friction of 30 N and frictional force of 80 N.
Determine the thrust force of the engine.
50 N
55 N
85 N
110 N
- 4. Multiple Choice
Which of the following produces the largest acceleration when forces are applied on a block?
- 5. Multiple Choice
- 6. Multiple Choice
The diagram shows the forces acting on a picture, of weight W, suspended by a cord.
The tension in the cord is T. Which of the following expressions shows the correct relationship between W and T?
- 7. Multiple Choice
A box of weight 150 N is placed on an inclined plane. The component of the box’s weight acting along the plane is given by W'. What would be the value of W', in Newtons?
- 8. Multiple Choice
The diagram above is a free-body force diagram for a hot air balloon when a wind is blowing. The size of the resultant force acting on the balloon is
400 N
500 N
700 N
9, 805 N
- 9. Multiple Choice
The ropes are symmetrically attached to ceiling . Find the tension of the rope. Assuming both string has the same magnitude forces.
6.00 N
3.00 N
3.67 N
4.67 N
- 10. Multiple Choice
Find the tension on inclined rope.
12.67 N
18.67 N
15.67 N
- 11. Multiple Choice
Calculate water resistance on the cargo ship if it is at constant velocity.
144 kN
72 kN
125 kN
250 kN
- 12. Multiple Choice
Given and weight of the box is 12 N. If the plane has 2 N frictional force and mass of the box is 1.2 kg, calculate the acceleration of the box
3.33
6.66
2.25
4.55
- 13. Multiple Choice
"the property of material that enables an object to return to its original shape and size after the force applied on it is removed."
spring constant
elasticity
force
extension
- 14. Multiple Choice
The graph shows data of a spring. Calculate spring constant of the spring
2000 N m-2
200 N m-2
20 N m-2
- 15. Multiple Choice
A spring with original length 30 cm extends to 36 cm when stretched by a force of 90 N. Calculate the spring constant of the spring
3 N m-1
15 N m-1
2.5 N m-1
1500 N m-1
- 16. Multiple Choice
A spring has 30 J elastic potential energy when it stretched from 24 cm to 28 cm. Calculate Force applied to the spring.
30 N
90 N
60 N
120 N
- 17. Multiple Choice
A spring of length 8 cm stretched to 10 cm when 5 N mass is hanged to it. Calculate the value of spring constant when the two identical spring arranged in parallel
250 N m-1
500 N m-1
125 N m-1
200 N m-1
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