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Recent questions tagged inclined-plane-with-effect-of-friction

A body is moving down a long inclined plane of angle of inclination $\theta$ . The coefficient of friction between the body and the plane varies as $\mu =0.5 \;x$ Where x is the distance moved down the plane . The body will have the maximum velocity when it has travelled a distance x given by

asked Aug 29, 2014 by meena.p

1 answer

A body is sliding down a rough inclined plane of angle of inclination $\theta$ for which the coefficient of friction varies with distance x as $\mu (x)=kx$, where k is a constant . Here x is the distance moved by the body down the plane . The net force on the body will be zero at a distance $x_0$ given by :

asked Aug 29, 2014 by meena.p

1 answer

Two blocks of masses $m_1=5 \;kg$ and $m_2= 6\;kg$ are connected by a light string passing over a light friction less pulley as shown in fig. The mass $m_1$ is at rest on the inclined plane and mass $m_2$ hangs vertically . If the angle of incline $\theta =30^{\circ}$, What is the magnitude and direction of the force of friction on the $5\;kg$ block . Take $g= 10 ms^{-2}$

asked Aug 29, 2014 by meena.p

1 answer

A uniform sphere of radius R and mass M is held at rest on an inclined plane of angle $\theta$ by a horizontal string , as shown in the figure. Let $R= 20 \;cm,M= 3\;kg,$ and $ \theta= 30^{\circ}$. What is the normal force exerted on the sphere by the inclined plane ?

asked Aug 28, 2014 by meena.p

1 answer

An $8.0\;kg$ box is released on a $30^{\circ}$ inclined and accelerates down the incline at $30\;m/s^2$ Find the frictional force impending its motion . How large is the coefficient of friction in this situation ?

asked Aug 28, 2014 by meena.p

1 answer

A $12-kg$ box is released from the top of an inclined that is $5.0\;m$ long and makes an angle of $40^{\circ}$ to the horizontal. A $60-N$ friction force impedes the motion of the box. How long will it take to reach the bottom of the incline ?

asked Aug 28, 2014 by meena.p

1 answer

Suppose A box has a mass of $100\; kg$, and you have to move it up a ramp. The ramp has an angle of $23^{\circ}$. What is the force needed to get the box moving up the ramp if the coefficient of static friction is $0.20$?

asked Aug 28, 2014 by meena.p

1 answer

A box can be moved up an inclined plane with constant velocity by a force of magnitude $F_1$ or down the inclined plane with constant velocity by a force of magnitude $F_2$ . Find the coefficient of kinetic friction $\mu_k$ between the box and the inclined plane. It holds that $F_1=6F_2$ and both forces are parallel with the inclined plane. The angle $\alpha$ between the inclined plane and the horizontal plane is $15^{\circ}$

asked Aug 27, 2014 by meena.p

1 answer

A 15 N force is applied to a $6.0\;kg$ block. Determine the acceleration of the block.

asked Aug 27, 2014 by meena.p

1 answer

Determine the rate of deceleration of $7.0 \;kg $ block sliding up an incline angled at $35^{\circ}$ to the horizontal. Assume that the coefficient of friction is $0.45$

asked Aug 27, 2014 by meena.p

1 answer

A $100-kg$ box is sliding down a frictional surface at a constant speed of $0.2\; m/s$ as shown. What is the value of $F_{norm}?$

asked Aug 27, 2014 by meena.p

1 answer

A tire weighing $2Kgs$ begins rolling down a steep hill (a $30^{\circ}$ incline) as shown. Determine the acceleration of the tire. Ignore resistance force.

asked Aug 27, 2014 by meena.p

1 answer

A ball rolls off a flat surface on to a road that slopes downwards. Which one of the velocity-time graphs (A, B, C, or D) would be an appropriate representation of the ball's motion as it rolls across the horizontal surface and then down the incline? Consider frictional forces.

asked Aug 27, 2014 by meena.p

1 answer

Three friends have a bet on the value of the normal force in this free body diagram for an inclined plane problem? Raj says its 500 N Ram says its 250 N and Rahul says that its 433 N. Who is correct?

asked Aug 26, 2014 by meena.p

1 answer

A block of mass M is resting on an inclined plane shown in fig. The inclination of the plane to the horizontal is gradually increased . It is found that when the angle of inclination is $\theta$ the block just begins to the slide down the plane. What is the minimum force F applied parallel to the plane that would just make the block move up the plane ?

asked Aug 26, 2014 by meena.p

1 answer

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