The statement Gravity exerts zero joules of energy on the object is false.
<h3>What is gravity?</h3>
- The force of attraction between any two objects in the universe is known as gravity or gravitational force.
- The mass of the object and the square of the distance between them determine the force of attraction.
- The weakest known force in nature, it is by far.
- The force that pulls items toward the center of a planet or other entity .
- All of the planets are kept in orbit around the sun by gravity.
<h3>What is work?</h3>
- Work is defined as the energy that is applied to or removed from an object by applying force along a displacement.
- It is frequently described in its most basic form as the result of force and displacement.
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Answer:
4.31 N
Explanation:
Given:
Δy = -55 m
v₀ = 0 m/s
v = -29 m/s
Find: a
v² = v₀² + 2aΔy
(-29 m/s)² = (0 m/s)² + 2a (-55 m)
a = -7.65 m/s²
Sum of forces in the y direction:
∑F = ma
R − mg = ma
R = m (g + a)
R = (2.0 kg) (9.8 m/s² − 7.65 m/s²)
R = 4.31 N
Answer:
You don't need to lift a lot of weight you can lift little and get stronger after a long period of time.
Explanation:
Answer:
Vacculoes, vesicles
Explanation:
Organelles and other structures within the cells have vesicles collectively referred to as the endo-membrane system. The Lysosomes pack up the substances, and the vesicles go through the porsous membrame and secrete the substances.