Linear Momentum
A 2 kg object is moving at a constant velocity. If no net external force acts on the object, what is the rate of change of its momentum?
Constant and non-zero
Increasing
Zero
Decreasing
A net force of 10 N is applied to an object for 2 seconds. What is the change in momentum of the object?
5 kg⋅m/s
10 kg⋅m/s
20 kg⋅m/s
30 kg⋅m/s
Two forces act on an object. Force 1 is 5N to the right, and Force 2 is 3N to the left. If these forces act for 4 seconds, what is the magnitude of the object's change in momentum?
2 kg⋅m/s
8 kg⋅m/s
12 kg⋅m/s
20 kg⋅m/s
A constant force of 5 N is applied to an object for 3 seconds. What is the impulse on the object?
5 N⋅s
8 N⋅s
15 N⋅s
20 N⋅s
Which of the following scenarios will result in the largest impulse?
A force of 5 N applied for 10 seconds
A force of 10 N applied for 2 seconds
A force of 2 N applied for 20 seconds
A force of 25 N applied for 1 second
An object experiences two forces simultaneously: 8 N to the north and 6 N to the east. If these forces are applied for 2 seconds, in what direction is the impulse?
North
East
Northeast
Northwest
A force-time graph shows a constant force of 10 N acting on an object for 5 seconds. What is the impulse delivered to the object?
2 N⋅s
5 N⋅s
10 N⋅s
50 N⋅s

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A force-time graph has a triangular shape. The force starts at 0 N, increases linearly to 20 N at 2 seconds, and then decreases linearly back to 0 N at 4 seconds. What is the impulse delivered?
20 N⋅s
40 N⋅s
60 N⋅s
80 N⋅s
A momentum-time graph has a constant positive slope. What does this indicate about the net force acting on the object?
The net force is zero.
The net force is constant and positive.
The net force is constant and negative.
The net force is increasing.
A momentum-time graph shows a curve with an increasing slope. What does this indicate about the net force acting on the object?
The net force is constant.
The net force is decreasing.
The net force is increasing.
The net force is zero.