2. A person uses a screwdriver to turn a screw and insert it into a piece of wood. The person applies a force of 20 newtons to the screwdriver and turns the handle of the screwdriver a total distance of 0.5 meter. How would these numbers be different with a hammer and a nail instead of a screwdriver and a screw?
The force applied would be greater, but the distance would be shorter.
The force applied would be the same, but the distance would be greater.
The force applied would be less, but the distance would be greater.
The force applied would be the same, but the distance would be shorter.
3.
Force and Work Unit Test
3 of 14Items
Item 3
Use the diagram of the pulley system to complete the statement.
An illustration shows a system of two pulleys lifting a block.
In this pulley system, the pulleys will the mechanical force required to lift the block and will change the .
(1 point)
increase; the direction of the force
increase; the weight of the block
decrease; the direction of the force
decrease; the weight of the block
Answers: 2
Biology, 21.06.2019 17:40
4the indian leaf butterfly has traits that allow it to resemble a leaf. the bright colors of the monarch butterfly indicate that the butterfly tastes bad and can be poisonous. how does the appearance of these butterflies them to survive? f the indian leaf butterfly is able to avoid predators while the monarch butterfly warns predators away. g. the indian leaf butterfly frightens predators away while the monarch butterfly poisons predators before they can eat it. h both butterflies rely on camouflage to avoid predation. j both butterflies cooperate with one another to avoid predation.
Answers: 1
Biology, 21.06.2019 21:50
Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere
Answers: 2
Biology, 21.06.2019 22:00
How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.
Answers: 1
Biology, 22.06.2019 01:30
How does friction with the atmosphere affect the speed of an artificial satellite
Answers: 3
2. A person uses a screwdriver to turn a screw and insert it into a piece of wood. The person applie...
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