Physics, 25.02.2020 17:52 Hockeypro1127
A crate remains stationary after it has been placed on a ramp inclined at an angle with the horizontal. Which of the following statements is or are correct about the magnitude of the friction force that acts on the crate? Choose all that are true.(a)It is equal to μsn.(b)It is equal to the component of the gravitational force acting down the ramp.(c)It is greater than the component of the gravitational force acting down the ramp.(d)It is less than the component of the gravitational force acting down the ramp.(e)It is larger than the weight of the crate.
Answers: 3
Physics, 23.06.2019 05:00
Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano.the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? positive force → balanced force → negative force negative force → balanced force → positive force positive force → unbalanced force → negative force negative force → unbalanced force → positive force
Answers: 1
Physics, 23.06.2019 07:00
The doctor lands his tardis on a planet whose radius is 1.2x10^7m the acceleration due to gravity is 18m/s^2. what is the mass of the planet
Answers: 1
Physics, 23.06.2019 07:30
What is the momentum of a 47-gram tennis ball that is traveling at 40 m/s
Answers: 2
A crate remains stationary after it has been placed on a ramp inclined at an angle with the horizont...
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