Other Physics Answers

How much pull (F) would it take on the block and tackle rope to lift a 545 pounds

engine?

How much force will it take to lift a 10 pounds weight with a wheel and axle if the

axle is 2 inches in diameter and the wheel is 10 inches in diameter?

What is the maximum amount of weight that could be pulled up an inclined plane

if the force is limited to 50.75 pounds, the inclined plane is 12.25 feet long, and the

height is 54 inches?

A total weight of 100 pounds is to be lifted using an inclined plane. Determine the

amount of force that would be required if the height is 2.0 ft and the length of the

inclined plane is 12.0 ft.

How many pounds of force would it take for a class three lever to develop 230

pounds of resultant force if applied force arm is 18 and ¼ inches, and the resultant

force arm is 36 and 7/8 inches?

How many kilograms can a 100 kilogram man lift with a class two lever if the

force arm is 5 feet long and the resultant arm is 1.5 feet long?

What volume of alcohol with the density 8.4*100 will have the same mass as 4.2m of petrol whose density is 7.2*100

A car moves around a bend of radius 20m with an acceleration of 12ms^-2. What is the maximum speed the car can attain without skidding?

A particle is oscillating with simple harmonic motion of amplitude 15cm and frequency 4 Hz.

Compute (i) the maximum values of acceleration and velocity, (ii) the acceleration and velocity when

the displacement is 9cm.

On the + y axis a laser is located at y = + 3.0 cm. The coordinates of a small target are x = + 12.0 cm and y = + 6.0 cm. The + x axis represents the edge-on view of a plane mirror. At what point on the + x axis should the laser be aimed in order for the laser light to hit the target after reflection?

Question 10 options:

A)

+4 cm

B)

+3 cm

C)

-3 cm

D)

- 4 cm