FIGURE 76. A 3.0 kg cube is placed on a rough plane. The plane is then slowly tilted until the cubestarts to move from rest. This occurred when the angle of inclination is 25°. Calculatethe static frictional force between the cube and the rough plane.[12.44 NJ7. Two forces are applied to a car in an effort to move it, as shown in FIGURE 8.a) What is the resultant of these two forces?.[799 N, 81.230]b) If the car has a mass of 3000 kg, what acceleration does it have? Ignore friction.[0.266 ms 2]10°130%450 Ni400 NFIGURE 8

Given data: Mass (m) = 3.0 kg Angle of inclination (θ) = 25° Required: The static frictional force…

A 3.0 kg cube is placed on a rough plane. The plane is then slowly tilted until the cube starts to move from rest. This occurred when the angle of inclination is 25°. Calculate the static frictional force between the cube and the rough plane. [12.44 NJ Two fr

A 3.0 kg cube is placed on a rough plane. The plane is then slowly tilted until the cube starts to move from rest. This occurred when the angle of inclination is 25°. Calculate the static frictional force between the cube and the rough plane. [12.44 NJ Two fr

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter8: Rotational Motion

Section8.2: Rotational Dynamics

Problem 27PP

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Concept explainers

Rotational Equilibrium And Rotational Dynamics

In physics, the state of balance between the forces and the dynamics of motion is called the equilibrium state. The balance between various forces acting on a system in a rotational motion is called rotational equilibrium or rotational dynamics.

Equilibrium of Forces

The tension created on one body during push or pull is known as force.

Question

FIGURE 7
6. A 3.0 kg cube is placed on a rough plane. The plane is then slowly tilted until the cube
starts to move from rest. This occurred when the angle of inclination is 25°. Calculate
the static frictional force between the cube and the rough plane.
[12.44 NJ
7. Two forces are applied to a car in an effort to move it, as shown in FIGURE 8.
a) What is the resultant of these two forces?.
[799 N, 81.230]
b) If the car has a mass of 3000 kg, what acceleration does it have? Ignore friction.
[0.266 ms 2]
10°
130%
450 Ni
400 N
FIGURE 8

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