Homework Help: physics

Posted by Elisa on Wednesday, July 2, 2008 at 10:14pm.

The force sensor measures the force on the sensor due to the bumper, but the cart's momentum change arises from the force on the cart due to the bumper. Which of the following facts are needed to assert that the magnitude of these two forces are nearly equal at all times.
A. Their magnitudes differ by the magnitude of the net force on the bumper.
B. The force of friction is small.
C. The net force on the bumper is small.
D. The cart's weight is canceled by the the normal force exerted by the track.

1. A, B
2. A, C
3. A, D
4. B, C
5. B, D
6. C, D
7. A, B, C, D

physics - Alisia Gonzalez, Tuesday, November 16, 2010 at 2:21pm
idk

Answer this Question

Related Questions

physics - the sensor in the torso of a crash-test dummy records the magnitude ...
physics - A special electronic sensor is embedded in the seat of a car that ...
Physics - A special electronic sensor is embedded in the seat of a car that ...
physics - Donkey experiencing a gravitational force of 2500 N is trying to pull ...
Physics Help - A force sensor is used to measure a force applied to a 9.1 kg box...
Physics - What will happen to the time of collision if you add weight to a cart ...
Tran - What will happen to the time of collision if you add weight to a cart but...
physics - A helicopter flies over the arctic ice pack at a constant altitude, ...
physics - A helicopter flies over the arctic ice pack at a constant altitude, ...
Physics - (10 points) 3. Use your data from Part 3 and Newton’s laws to ...

For Further Reading

First Name:
School Subject:
Answer: