Table of Contents
- 1 How do you find the work done on a graph?
- 2 What is the formula for work done?
- 3 What is the rate in which work is done?
- 4 How do you find the force on a graph?
- 5 What is D work formula?
- 6 Is the rate at which work is done is called energy?
- 7 What is force * time?
- 8 Is the strongest attractive force?
- 9 How to calculate work done in this case?
- 10 How to calculate work done for a car?
How do you find the work done on a graph?
From a force-displacement graph we can:
- Read forces directly from the graph.
- Read displacements directly from the graph.
- Use the area under the graph to find the work done by the force. This is equal to the kinetic or potential energy the object gains due to the application of the force.
What is the formula for work done?
To express this concept mathematically, the work W is equal to the force f times the distance d, or W = fd. If the force is being exerted at an angle θ to the displacement, the work done is W = fd cos θ.
What is work done and its formula?
Scientifically Work done formula will be given as, W = F * d: We know that work done is defined as the multiplication of magnitude of displacement d and the component of the force that is in the direction of displacement.
What is the rate in which work is done?
Power is the rate at which work is done. It is the work/time ratio. Mathematically, it is computed using the following equation. The standard metric unit of power is the Watt.
How do you find the force on a graph?
In a force versus time graph, you’ll find force on the y-axis and time on the x-axis. Area is more important than the slope on a force versus time graph. The area under a force-time graph is force multiplied by time, or a quantity called impulse, which is equal to the change in an object’s momentum.
What is the formula for energy?
The formula that links energy and power is: Energy = Power x Time. The unit of energy is the joule, the unit of power is the watt, and the unit of time is the second.
What is D work formula?
Work Formula d = Magnitude of the displacement in the direction of the force. θ = is the angle between the vectors: force and displacement.
Is the rate at which work is done is called energy?
In physics, power is the rate of doing work. It is the amount of energy consumed per unit time.
What are the 3 equations for power?
P = ΔV2 / R We now have three equations for electrical power, with two derived from the first using the Ohm’s law equation. These equations are often used in problems involving the computation of power from known values of electric potential difference (ΔV), current (I), and resistance (R).
What is force * time?
In words, it could be said that the force times the time equals the mass times the change in velocity. In physics, the quantity Force • time is known as impulse. And since the quantity m•v is the momentum, the quantity m•Δv must be the change in momentum. The equation really says that the Impulse = Change in momentum.
Is the strongest attractive force?
Dipole-dipole interactions are the strongest intermolecular force of attraction.
How to calculate the horsepower of a horse?
I.H.P = ((PLAN x n) / 2) ÷ 4500 B.H.P = (Torque x RPM) ÷ 5252 F.H.P = I.H.P – B.H.P The relation between the BHP, Ps & kW is: 1 Hp = 1.01 PS = 0.70 kW 1kW = 1.34 Hp = 1.4 PS 1 PS = 0.98 Hp = 0.70 kW Hp = Torque X RPM ÷ 5252
How to calculate work done in this case?
So to calculate work done in these cases, we multiply the component of force in the direction of displacement by the displacement. This is, in fact, the definition of the scalar product between the force vector and the displacement vector.
How to calculate work done for a car?
Assuming the only force responsible for stopping the car is the friction between car’s tyres and the road, find how much work needed to be done by this force to bring the car to a complete stop. For the car, we have , , , .
How to calculate the work done of a force?
To calculate the work done. on an object when a force moves it, use the equation: work done = force × distance \\[W = F~s\\] This is when: work done (W) is measured in joules (J)