A block of mass m is pushed up a fixed inclined plane of angle ${30}^{\circ }$ by a Force of $10N$. Find the work done by the Force in pushing the block up the incline by $10M$.

Q.

A block of mass 1 kg is pushed up a surface inclined to horizontal at an angle of ${30}^{\circ }$ by a force of $10N$ parallel to the inclined surface $\left(\text{Fig.}\right)$. The coefficient of friction between block and the incline is $\mathrm{0.1.}$


1) If the block is pushed up by $10m$ along the incline, calculate work done against gravity.

2) If the block is pushed up by $10m$ along the incline, calculate work done against force of friction.

3) If the block is pushed up by $10m$ along the incline, calculate increase in potential energy.

4) If the block is pushed up by $10m$ along the incline, calculate increase in kinetic energy.

5) If the block is pushed up by $10m$ along the incline, calculate work done by applied force.

Q. A block of mass $1kg$ is pushed up a surface inclined to horizontal at an angle of ${30}^{\circ }$ by a force of $10N$ parallel to the inclined surface as shown in the figure.
The coefficient of friction between block and the inclines is $0.1$. If the block is pushed up by $10m$ along the incline, then the work against gravity is (Take $g=10m{s}^{-2})$.

Q. A block of mass m is released from top of a smooth fixed inclined plane of inclination $\theta$. Find out work done by normal force.

Q. A body of mass 1 kg lies on smooth inclined plane. The block of mass m is pushed by a force $F=10\text{N}$ horizontally as shown. The magnitude of net normal reaction on the block is :

Q. A block of mass $2.0kg$ is pushed down an inclined plane of inclination ${37}^o$ with a force of $20N$ acting parallel to the incline. It is found that the block moves on the incline with an acceleration of $10m/s^2$. If the block started from rest, find the work done (a) by the applied force in the first second