In Physics, 'work' has a very clear definition:
It's (strength of a force) times (distance through which the force acts).
'Work' has the units of Energy.
If you push against a shopping cart with 30 newtons of force, and
you keep pushing while the cart moves 4 meters, then you have
done (30 x 4) = 120 newton-meters of work = 120 "Joules".
Answer:
electric
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Answer:
The constant k has the value. k = 8.99 × 10 9 N ⋅ m 2 /C 2.
Answer:
The force exerted by the biceps muscle is 1485.58 N.
Explanation:
Given that,
Length = 0.445 m
Mass of forearm = 2.15 cm
Mass of the object = 6.15
Distance = 2.15 cm
We need to calculate the force exerted by the biceps muscle
Under the equilibrium condition
Moment about E = 0
Using free body diagram of muscle

Where,
= force by biceps
put the value into the formula





Hence, The force exerted by the biceps muscle is 1485.58 N.
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