defines acceleration and the relationship that
Physics, 16.01.2020 04:31 hamada11617
1. distinguish between the relationship that
defines acceleration and the relationship that
states how it is produced. (5.1)
2. what is meant by the net force that acts on an
object? (5.1)
3. suppose a cart is being moved by a certain net
force. if the net force is doubled, by how much
does the cart's acceleration change? (5.1)
4. suppose a cart is being moved by a certain
net force. if a load is dumped into the cart so
its mass is doubled, by how much does the
acceleration change? (5.2)
5. distinguish between the concepts directly
proportional and inversely proportional.
support your statement with examples.
(5.1-5.2)
6. state newton's second law in words and then
in the form of an equation. (5.3)
7. how much force does a 20 000-kg rocket
develop to accelerate 1 m/s2? (5.3)
8. what is the cause of friction, and in what
direction does it act with respect to the
motion of a sliding object? (5.4)
9. if the force of friction acting on a sliding crate
is 100 n, how much force must be applied to
maintain a constant velocity? what will be the
net force acting on the crate? what will be the
acceleration? (5.4)
Answers: 3
Physics, 22.06.2019 06:30
From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.
Answers: 1
Physics, 22.06.2019 21:50
Determine the moment of the force f about an axis extending between a and c. express the result as a cartesian vector. a is at the origin, c is at (4,3,0) and f = (4i + 12j -3k) lb coming out of b (4,3,-2).
Answers: 2
1. distinguish between the relationship that
defines acceleration and the relationship that
defines acceleration and the relationship that
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