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49 Answered Questions for the topic Force

Force Calculus Work

05/08/20

a horizontal cylindrical boiler 6 ft. in diameter is half full of water.

find the force on one end.
Force Math Physics

04/03/20

You are pushing a large box across a frictionless.....(IN THE DESCRIPTION)

You are pushing a large box across a frictionless floor by applying a constant horizontal force. If the box starts at rest, you have to do work W_1 in order for the box to travel a distance d in... more
Force Physics

03/12/20

Physics about tension

A wooden ball of mass 100 gm is suspended by a thread.The horizontal current of force of air blows it to one side such that the thread makes an angle of 30' with verticle find the tension and force... more
Force Physics

10/08/19

magnitude and direction

Three coplanar forces acts on a block with mass m =70.0 kg. One is 23.2 N directed at 14.10, another is 35.4 N directed at 1390, the other is 77.7 N directed at 2890. What are the magnitude and... more
Force Physics Forces

06/14/19

What was the force that the wall exerted on the ball?

A bouncy ball with a mass of 350 g is traveling at 25 m/s when it hits a wall at a 60 degree angle relative to the wall. If the ball rebounds at a 30 degree angle and traveling at 12 m/s, and... more
Force Physics Motion

05/24/19

Physics questions

Imagine a large rock that isn’t movable by the current wind pressure. Imagine an L shaped object with the big rock laying on the bottom half. The wind blows at the L shape object and the top half... more

03/18/19

A milk truck carries milk with density 64.6

A milk truck carries milk with density 64.6 lb/ft^(3) lb/ft3 in a horizontal cylindrical tank with diameter 6 ft.(a) Find the force exerted by the milk on one end of the tank when the tank is full.... more
Force Math Calculus

02/20/19

Calculate the work required to lift a chain.

A 4-m chain with linear mass density ρ(x) = 2x(4 − x) kg/m from x = 0 to x = 4 lies on the ground. Calculate the work required to lift the chain from its front end so that its bottom is 2 m above... more
Force

11/06/18

what is the force of impact

a cue ball weighs 5.5 oz with a 2 1/4 inch diameter is thrown at a speed od 75 km over 15 feet what is the force of impact
Force

02/18/18

what is the difference between electric and magnetic force?

I don't know how to define the two forces.
Force Pressure

02/03/18

Calculate the pressure that the water exerts on the diver.

Fig 1.1 shows a diver 50m below the surface of the water. The density of water is 1000kg/m^2 and the acceleration of free fall is 10m/s^2.
Force Math Physics

01/21/18

A 100kg box sits on the bottom of a 35 degree ramp...

A 100kg box sits on the bottom of a 35 degree ramp. A rope is attached and used to pull at an accelerate of 2.38m/s2. Mue=.345. With what force does the person pulling the rope have to apply?

01/15/18

What is the acceleration of the satellite? Direction of the acceleration? What is the name of the force providing the acceleration? Speed of satellite?

a 1000kg satellite orbits the Earth at a radius of 50,000 km.  What is the acceleration of the satellite? The direction of the acceleration? What is the name of the force providing the... more

01/15/18

Energy of a covalent bond is approximated as: V (rij) =1/2 k [( rij-bij)]power2 Calculate the force acting on atoms as a function of interatomic distance.

Energy of a covalent bond is approximated as: Vb (rij) =1/2 kijb [( rij-bij)]2 Calculate the force acting on atoms as a function of interatomic distance.
Force Calculus Work

04/12/17

A cattle trough has a trapezoidal cross section with a height of 100 cm and horizontal sides of width 100 cm and 50 cm.

A cattle trough has a trapezoidal cross section with a height of 100 cm and horizontalsides of width 100 cm and 50 cm. Assume the length of the trough is 1000 cm. Thedensity of water is = 1000... more

01/17/17

Word Problem (Trigonometry/Calculus)

A cart full of packages weighing 180 pounds is rolling down a ramp 12 feet long at an incline of 25° (the force applied by gravity is equal to the weight of the package). Find the work done by... more
Force

12/10/16

Do all forces have the same magnitude?

Do forces have the same magnitude?  

10/14/16

A 50N sofa is inclined on a ramp at 250. Both µk and µs are 0.6

a.) What is the smallest force parallel to the incline needed to keep the sofa from sliding down? b.) What parallel force is required to keep the sofa moving up the incline at a constant speed?c.)... more

09/05/16

Convert this pressure to atmospheres (atm) - Show Work

A ball is inflated to a pressure of 32.0 pounds per square inch (psi). Convert this pressure to atmospheres (atm).Useful Equations:1.00 atm = 101300 Pa1.00 atm = 101.3 kPa1.00 atm = 14.7 psi1 in. =... more
Force

07/29/16

Find the mass

A uniform meter of mass 90g is pivoted at the 40cm mark. If the rule is in equilibrium with an unknown mass my placed at the 10cm mark and a 72g mass at the 70cm mark, determine m.

05/09/16

What force is applied to the car?

At a race track, a car of mass 1150 kg crashes into a concrete wall at a speed of 85 m/s.   a. The car crashes into the wall, stopping in 0.1 seconds. What force is applied to the car?   (I'm... more
Force Physics School

04/28/16

Physics electricity - electric force, potential, field, PE

True statements about the relationship between the electric field and electric potential include which of the following?    I. If the electric field at a certain point is zero, then the electric... more

04/14/16

Physics question

Science question: If the car is started on a zero friction surface and zero air resistance but force of gravity acting upon it, Will it continue to travel at a constant speed even when engine is... more

03/16/16

PHYSICS: Minimum Velocity

What is the minimum velocity required of a roller coaster at the top of a vertical loop with a radius of 7 m?   SHOW ALL WORK PLEASE. May use if needed: Fc = Fn + Fg Fc = MAc Ac = v^2/r
1

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