Horizontal forces act on two boxes, initially at rest, as shown. The magnitude (strength) and direction of the horizontal forces are also shown.
What happens to Box X and Box Y as a result of the forces?
1 point
1
Question 2
2.
A battery-powered toy submarine is moving through water at a
constantspeed and at a constant depth below the surface. The diagram shows the submarine with arrows representing the directions but not the magnitudes of four forces acting on it.
1 point
1
Question 3
3.
The diagram shows a toy car on a track that is lying on the floor.
Select the choice to identify the net force acting on the car while the car is At Rest.
1 point
1
Question 4
4.
The diagram shows a toy car on a track that is lying on the floor.
Select the choice to identify the net force acting on the car while the car Begin to move Forward.
1 point
1
Question 5
5.
The diagram shows a toy car on a track that is lying on the floor.
Select the choice to identify the net force acting on the car while the car Moves at a constant speed.
1 point
1
Question 6
6.
A basket of apples is pulled along a table. A friction force acts in a direction opposite to the motion of the basket.
Choose EACH of the 2actions below that will Increase the force of friction between the basket and the table.
1 point
1
Question 7
7.
The motion graphs to the left show the motion of four objects over the same period of time. The lines on the graphs show objects that are speeding up, slowing down, and traveling at a constant speed.
After looking at the four graphs, choose the 2 graphs that are representing objects that are experiencing a net force of 0 Newtons.
6 points
6
Question 8
8.
Drag the terms on the left to match the definition on the right.
Draggable item
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Corresponding Item
Sliding Friction
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The type of friction that exists between a parachute and the air.
Opposite
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The type of friction that occurs when a bicycle is ridden along a sidewalk.
Static Friction
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The type of friction that occurs between objects that are not moving.
Fluid Friction
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The type of friction that occurs when you rub sandpaper against a piece of wood to smooth it.
Friction
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A force that acts between surfaces that are touching.
Rolling Friction
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The direction that friction ALWAYS acts relative to the direction of motion.
1 point
1
Question 9
9.
An object moves at a constant speed.
What will happen to this object’s motion over time if no new forces are applied?
1 point
1
Question 10
10.
A block is sent sliding along a ramp. The green arrow represents the motion and direction of the block. Sliding friction is taking place between the block and the ramp.
What direction would the sliding friction be acting on the block as it slides along the ramp?
1 point
1
Question 11
11.
Choose the description from below that best describes the forces at work and the motion that would result in the diagram pictured to the left.
1 point
1
Question 12
12.
When four forces are applied to a box, the box begins to move. the diagram’s arrows show the direction and the magnitude of the four forces acting on the box.
In which direction will the box move?
1 point
1
Question 13
13.
All aspects of an object's motion are brought about by balanced forces and / or by unbalanced forces. Choose each (4) of the statements below that are true about an unbalanced force acting on an object.
1 point
1
Question 14
14.
All aspects of an object's motion are brought about by balanced forces and / or by unbalanced forces. Choose EACH (3) of the statements below that are true about a balanced force acting on an object.
1 point
1
Question 15
15.
How far did the vehicle travel during the first two seconds?
1 point
1
Question 16
16.
In the space below, type in the net force acting on the box in diagram C.
( TYPE JUST THE NUMBER)
1 point
1
Question 17
17.
What direction will the box move in diagram C?
1 point
1
Question 18
18.
What happens when two forces act in the same direction?
1 point
1
Question 19
19.
The tendency of an object to resist a change in its motion is......? (remember julius sumner miller)
1 point
1
Question 20
20.
Balanced or Unbalanced
1 point
1
Question 21
21.
What two factors affect gravity?
1 point
1
Question 22
22.
You are in the car traveling 80 km/hr. What is the other cars speed relative to you?