# Physics

posted by .

the inclined plane is 30* from the ground

a) What is the mechanical advantage of the inclined plane?
b) A weight of 100N is to be lifted using the inclined plane. What is the minimum applied force for this job?
c) Suppose that an applied force of 200N is needed to move a block of unknown mass along the inclined plane. What is the weight and mass of the block? Assume that the incline is frictionless.

• Physics -

(a)M.A=2 (B)F=186.6N(C)MASS=20KG,W=173N

## Similar Questions

1. ### physics

the inclined plane is 30* from the ground a) What is the mechanical advantage of the inclined plane?
2. ### simple machines

A box with a force of 100N is pushed up an inclined plane. It takes a force os 75N to push it to the top. What is the efficiency of the inclined plane?
3. ### physics

Three applied forces, F1= 20.0 N, F2= 40.0 N, and F3 = 10.0 N act on an object with a mass of 2.00 kg which can move along an inclined plane as shown in the figure. The questions refer to the instant when the object has moved 0.600 …
4. ### Physics

An inclined plane is used to raise a 100 kg box to a height of 5 m. How long must the inclined plane be if a force of 250 N is used to push the box up the inclined plane?
5. ### Physics

A 20 kg box approaches the foot of a 30 degree inclined plane with a speed of 10 m/s. the coefficient of friction between the box and the inclined plane is 0.2. (a) How far up the inclined plane will the box go?
6. ### phyisics

a cart of weight 25N is released at the top of inclined plane of length 1m, which makes an angle of 30° with the ground .it rolls down the plane and hits another cart of weight 40N at the bottom of the inclined plane. calculate the …
7. ### physics

How much effort force would be needed to roll a barrel with a resistance force of 100N up an inclined plane with a height of 2m and an inclined plane of 8m?
8. ### mechanics

solve this problems; A weight of 50 KN is on the point of motion down a rough inclined plane when supported by a force of 15 KN acting parallel to the plane and is on the point of motion up the inclined plane under the influence of …
9. ### Physics

A 42-kg box slides down a frictionless inclined plane. The angle of the inclined plane is 34.0 degrees. The distance from the box to the bottom of the inclined plane is 3 m. Draw the free body diagram of the force vectors acting on …
10. ### Physics

A block of ice of mass 30 kg is at rest atop an inclined plane of vertical height 2 m. It is released and slides down the inclined plane. What is its speed at the bottom of the inclined plane?

More Similar Questions