Friction is a force that acts in a direction opposite to motion. If there were not force of friction, a baseball player would never stop and would be continuously moving in the direction of motion. Balanced forces do not cause a nonmoving object to start moving.
Answer:
Mechanical advantage is the measure of the force amplification achieved by using a tool , mechanical device or machine . ... So MA = 2 means that for example if you apply 100 N then your machine will multiply that force and generate 200 N..
Explanation:
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Answer:
Explanation:
We are given that
Length of wire,L=20 mm=
Current,I=4 A
Number of turns per unit length,n=800
Current,i=2 A
Magnetic field of solenoid,B=
Where
Magnetic force,F=
Using the formula
Answer:
D. All of the above are problems that result from global dependence on nonrenewable resources.
Answer: The plant will taller than its actual height.