- How much force is required to lift a mass of 1kg?
- What happens to kinetic energy if speed is doubled?
- Which force does work when a ball rolls down a slope?
- What are the factors that affect kinetic energy?
- What are 2 types of mechanical energy?
- What is the average power output of a weightlifter who can lift 250 kg 2.0 m in 2.0 s?
- At what constant speed can a 2000 watt motor?
- How many watts does it take to lift 1kg?
- How much power is required to lift a 2 kg mass at a speed of 2 m s?
- Is work being done when carrying an object?
- Which will have the greatest impact on kinetic energy?
- How much work is required to lift a 10 Newton?
- How much work is required to lift a 2 kg mass to a height of 10 meters?
- How much energy does it take to lift 1kg 1m?
- Which requires more work lifting a 50 kg sack?
- What is it when a car speeds triples its kinetic energy?
- When we carry an object across a room without lifting it or setting it down?
- How much work is done on a 300 Newton suitcase to lift it 0.50 meter?
- Can you have negative work?
- Is energy changed from one form to another with no net loss or gain?
- How much force is needed to lift the 10Kg weight?

## How much force is required to lift a mass of 1kg?

So to lift this 1kg mass will take more than 9.8 N.

10 newtons of life would create a net force of 0.2 N so 0.2/1 = 0.2 meters acceleration.

Note that, gravitational force is one side of the same coin, with acceleration on the other..

## What happens to kinetic energy if speed is doubled?

The kinetic energy is proportional to the square of the speed, so doubling the speed increases the kinetic energy by a factor of 4.

## Which force does work when a ball rolls down a slope?

The force of gravity points straight down, but a ball rolling down a ramp doesn’t go straight down, it follows the ramp. Therefore, only the component of the gravitational force which points along the direction of the ball’s motion can accelerate the ball.

## What are the factors that affect kinetic energy?

1. Explain that there are two factors that affect how much kinetic energy a moving object will have: mass and speed.

## What are 2 types of mechanical energy?

There are two main types of mechanical energy. They are motion energy and stored mechanical energy. Motion energy: This is the energy something has because it is moving (eg a speeding cricket ball). You can feel the effect of this energy if the cricket ball hits you.

## What is the average power output of a weightlifter who can lift 250 kg 2.0 m in 2.0 s?

Answer: Power = 2.45Kw or 2450 Watts.

## At what constant speed can a 2000 watt motor?

A 2 000 W motor working at full capacity can vertically lift a 400 N weight at a constant speed of 4 m/s.

## How many watts does it take to lift 1kg?

10 WattsIf you can keep lifting a 1 kg weight to a height of 1 meter every second, weight after weight after weight, then you will be steadily producing 10 Watts of power.

## How much power is required to lift a 2 kg mass at a speed of 2 m s?

39 W.The power required to lift a 2 kg mass at a speed of 2 m/s is 39 W.

## Is work being done when carrying an object?

If there is no motion in the direction of the force, then no work is done by that force. Yet you certainly feel like you are doing work if you carry a heavy box. … It changes the direction of the motion, but it does no work on the object.

## Which will have the greatest impact on kinetic energy?

Because kinetic energy is proportional to the velocity squared, increases in velocity will have an exponentially greater effect on translational kinetic energy. Doubling the mass of an object will only double its kinetic energy, but doubling the velocity of the object will quadruple its velocity.

## How much work is required to lift a 10 Newton?

In the diagram, 55 joules of work is needed to raise a 10-newton 5.0 meters.

## How much work is required to lift a 2 kg mass to a height of 10 meters?

Answer. Answer: the Work done to life the mass of 2 kg to a height of 10 m is 196 J.

## How much energy does it take to lift 1kg 1m?

On earth it takes about 10 Newton-meters (N-m) of energy to raise a 1 kilogram mass to a height of 1 meter. Since 1 N-m equals 1 Joule, that’s 10 Joules. If it takes 1 second to lift the weight 1 meter, than you have converted 10 Joules of energy to potential energy in one second. That’s 10 Watts of power.

## Which requires more work lifting a 50 kg sack?

Which requires more work: lifting a 50kg sack a vertical distance of 2m orlifting a 25kg sack a vertical distance of 4m? Answer= It is the same, for the product of each is the same; (50 kg) (2 m) = (25 kg) (4 m).

## What is it when a car speeds triples its kinetic energy?

When a car’s speed doubles, what happens to its kinetic energy? When its speed triples? If a car’s speed doubles, its kinetic energy increases by 4, if its speed triples then the kinetic energy increases by 9.

## When we carry an object across a room without lifting it or setting it down?

Question: 1.) When We Carry And Object Across A Room, Without Lifting Or Setting It Down, We Do No Physical Work On It.

## How much work is done on a 300 Newton suitcase to lift it 0.50 meter?

Work done is force multiplied by distance, Hence work done is 300×0.50=150 joules.

## Can you have negative work?

Work is a measurement of energy, so it may seem odd to think that a work can be negative — but it can! Work is how much energy is done by a force over a distance. If you try to stop the net from moving, you will apply a force in the opposite direction that the net is moving. …

## Is energy changed from one form to another with no net loss or gain?

The law of conservation of energy states that energy cannot be created or destroyed. That implies that the total energy of a isolated system is constant. The energy can change from one form to another with not net loss or gain.

## How much force is needed to lift the 10Kg weight?

5 Kg forceHow much force is needed to lift the 10Kg weight? The correct answer is (B) 5 Kg. In a double-pulley system, the force is equal to the weight divided by two. It will require a 5 Kg force to lift a 10Kg weight.