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Savatey [412]
3 years ago
14

What is the normal force acting on a 65 kg desk?

Physics
1 answer:
Aneli [31]3 years ago
4 0

Normal force is an equal but opposite force to weight.

Weight = Normal force

weight=m×g

= 65×10

=650N

Explanation:

HOPE THAT THIS IS HELPFUL.

HAVE A GREAT DAY.

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How can different objects interact when they are not even touching?
jeka94

Answer: Magnetic and gravitational force

Explanation: When a magnet and an iron nail are kept at a distance,the magnet attracts the nail without touching using magnetic force. In this example, the magnet and the nail are interacting.

The earth pulls the moon towards it and keeps it in orbit without touching it, using gravitational force. In this example,the moon and the earth are interacting.

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3 0
3 years ago
A car is traveling along a straight road at a velocity of +30.0 m/s when its engine cuts out. For the next 1.79 seconds, the car
Tanzania [10]

Answer:

first value+2nd +3rd

Explanation:

thug life and there

8 0
3 years ago
Describe the valence electrons in nitrogen and how it could bond to other atoms?
Gekata [30.6K]

Answer:

Each nitrogen molecule consists of two atoms of nitrogen that are bonded by a triple covalent bond. This is because each nitrogen atom has 5 valence electrons. Each atom can complete its octet by sharing three electrons.

I hope this helps!

4 0
3 years ago
what distance is a book from the floor if the book contains 196 joules f potential energy and has a mass of 5 kg?
AleksAgata [21]
E=mgh.   196=5kg*9.81m/s^2*h.  So h=196/(5*9.81)=4m
5 0
4 years ago
Technician A says balance shafts are used to counteract vibration created in the engine. Technician B says proper balancing of t
kompoz [17]

Answer:

both technician A and Technician B are correct

Explanation:

Technician A says balance shafts are used to counteract vibration created in the engine. Technician B says proper balancing of the engine is important for smooth operation. Which technician is correct

In piston engine engineering, a balance shaft is an eccentric weighted shaft that  counteracts vibrations in engine designs that are not inherently balanced. They were first invented and patented by British engineer Frederick W. Lanchester in 1904. ... .The balance shafts have eccentric weights and rotate in opposite direction to each other, which generates a net vertical force. Unavailability of the balance shaft can cause excessive vibration to the engine thereby damaging the oil pump and resulting to engine failure.

7 0
3 years ago
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