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How does the force of the lifter compare with the weight of the barbell at different stage of the lifter?
At the beginning of the lift, the lifter's force is greater than the weight of the barbell to overcome inertia and initiate movement. During the middle of the lift, the lifter's force is equal to the weight of the barbell to maintain constant velocity. Towards the end of the lift, the lifter's force is less than the weight of the barbell due to deceleration and control.
What else can I help you with?
How does the of a 115kg barbell compare to the weight of the lifter?
The weight of a 115kg barbell is constant. The lifter's weight, however, will vary. If the lifter weighs less than 115kg, the barbell will be heavier relative to their weight. If the lifter weighs more than 115kg, the barbell will be lighter relative to their weight.
Are the forces acting on the weight lifter and the weights balanced or unbalanced?
The forces acting on the weight lifter and the weights are balanced when the weight lifter is holding the weights stationary. The force exerted by the weight lifter is equal and opposite to the force of gravity acting on the weights.
How much work does the weight lifter do The weight lifter applies a force of 1300 N to a dumbbell does not move?
If the dumbbell does not move, then the work done by the weight lifter is zero. This is because work is defined as force applied over a distance in the direction of the force, and if there is no movement, no work is done.
When A weight lifter in holding a weight of 120 kg on his shoulder for 30 s .calculate amount of work done.?
To calculate the work done, we need to know the distance over which the weight lifter held the weight. If we assume the weight lifter held the weight steady at shoulder height (about 1.5 meters), the work done would be Weight x Height = 120 kg x 1.5 m = 180 Joules.
How much does a 5 foot barbell weigh?
A standard 5-foot barbell typically weighs around 15-20 pounds. However, the weight may vary depending on the specific make and model of the barbell.
How does the of a 115kg barbell compare to the weight of the lifter?
The weight of a 115kg barbell is constant. The lifter's weight, however, will vary. If the lifter weighs less than 115kg, the barbell will be heavier relative to their weight. If the lifter weighs more than 115kg, the barbell will be lighter relative to their weight.
The weight lifter used a force of 980N to raise the barbell over her head in 521 seconds approximately how much work did she do in raising the barbell?
5105.8 J
If a weight lifter lifts a barbell and then sets it down is any work done?
Answer: It depends upon your definition of "work". Assuming the lifter put the barbell back exactly where and how it was at first, then there was no work done in the physics context. If you mean manual labor, then yes, some work was done.
A weight lifter lifs a barbell above her head and hold it there where can you infer about the work she is doing?
You can infer that she is working on building up her strength.
How can I accurately determine the weight of a barbell?
To accurately determine the weight of a barbell, you can use a scale specifically designed for weighing barbells. Place the barbell on the scale and read the weight displayed. This will give you an accurate measurement of the barbell's weight.
What is the standard weight of an empty barbell?
The standard weight of an empty barbell is 45 pounds.
Can you use the word squatted in a sentence?
The immense jungle cat squatted silently on the tree limb, patiently awaiting his next meal. The muscular weight-lifter then squatted in front of the huge barbell.
How to tell the weight of a barbell accurately?
To accurately measure the weight of a barbell, use a scale specifically designed for weighing heavy objects. Place the barbell on the scale and ensure it is balanced. Read the weight displayed on the scale to determine the accurate weight of the barbell.
What's the weight of a free weight barbell usually?
The weight of a free weight standard barbell typically weights about 22 pounds.
How can I determine if a barbell is 45 lbs?
To determine if a barbell is 45 lbs, you can check for markings or labels on the barbell that indicate its weight. Additionally, you can use a scale to weigh the barbell and confirm its weight.
How can I tell how heavy a barbell is?
To determine the weight of a barbell, look for the number stamped on the end of the barbell. This number indicates the weight in pounds or kilograms. Alternatively, you can use a scale to weigh the barbell.
How can I determine if a barbell is 45 pounds or 35 pounds?
To determine if a barbell is 45 pounds or 35 pounds, you can look for markings on the barbell that indicate its weight. Barbell weights are typically labeled with their weight in pounds, so check for any numbers or labels on the barbell to identify its weight.
