Physics
Physics, 19.04.2021 18:10, maddyrose814

Polly is pushing a box across the floor with a force of 30 N. The force of gravity is –8 N, and the normal force is 8 N. Which value could describe the force of friction if Polly could not move the box? –30 N
–8 N
8 N
30 N

answer
Answers: 2

Other questions on the subject: Physics

image
Physics, 22.06.2019 15:30, tiffuuu
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
image
Physics, 22.06.2019 18:30, natperal
Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?
Answers: 3
image
Physics, 22.06.2019 22:30, aesthetickait
When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?
Answers: 3
image
Physics, 23.06.2019 02:30, edailey4448
Aswimmer is determined to cross a river that flows due south with a strong current. initially, the swimmer is on the west bank desiring to reach a camp directly across the river on the opposite bank. in which direction shoud the swimmer head? a. the swimmer should swim southeast. b. the swimmer should swim south. c. the swimmer shuold swim northeast. d. the swimmer should swim due north. e. the swimmer should swim due east.
Answers: 2
Do you know the correct answer?
Polly is pushing a box across the floor with a force of 30 N. The force of gravity is –8 N, and the...

Questions in other subjects:

Konu
Mathematics, 15.01.2021 03:00
Konu
Arts, 15.01.2021 03:00
Konu
Mathematics, 15.01.2021 03:00
Konu
English, 15.01.2021 03:00
Konu
Mathematics, 15.01.2021 03:00