When two surfaces slide over one another the tiny bumps push on each other. Friction causes a force on a surface which is in the opposite direction to its motion. Friction can be reduced by the application of lubricants.

Push is defined as an action or a force which causes an object to move from its place or from the state of rest.

• Moving a car which has stopped working.
• Squeezing wet clothes.
• Closing a door.
• Moving objects across a plank.
• Inserting a bell pin to file papers together.
• Inserting a plug into a socket.

A push is the force that moves an object away from something, like when you push a plate of Brussels sprouts away in disgust. A push and a pull are opposite forces, meaning they move objects in different directions. Therefore, a pull is the force of bringing an object closer.

In case of pull or push the actual weight of the roller is same but in case of the push the sine component is in direction of the weight while in case of the pull it is in the opposite direction of the force, hence the friction force in case of push will be more than pull, so, pull will be easier than the push.

When you push there is one component of force that adds to the weight of the body and hence there is more friction. When you pull the vertical component of force is against the weight of body and hence there is less overall friction. So it is easy to pull than push an object.

Friction is the force acting between the object and the surface. So, when there will be less force of friction, it is easier in that case to move the body. Hence, it is easier to pull than to push a body.

11 Tips To Prevent Pushing and Pulling Injuries at Your Job. Push over pull. If at all possible, pushing an object is safer than pulling. Pushing involves fewer muscles in the lower back and provides better visibility for workers.

This not only raises the load’s center of gravity, making a tip over more likely, but it may also block the view of your travel path. If possible, push the cart or dolly instead of pulling it. Be aware that the heavier the load on the cart, the more stopping distance is required.

person with good upper body strength can push or pull 100 lbs. of horizontal force for a very short period of time. The horizontal force (push/pull) needed to move a cart loaded with 1500 lbs. of steel may be 300 lbs.

Pushing loads is preferable to pulling because it involves less work by the muscles of the lower back and generally allows better visibility. If at all possible, attempt to push loads, carts, etc. instead of pulling them. The initial force to start a load requires the greater muscular effort.

Why Is It Important To Push A Dolly Instead Of Pulling It? Because Your Legs Are Stronger Than Your Arms Pushing Keeps The Weight Of The Dolly In Your …

To minimize or prevent aggravation of a spinal injury during an emergency​ move, the EMT should move the patient in the direction of​ the: long axis of the body. To minimize aggravation of a spinal​ injury, move the patient in the direction of the long axis of the body when possible.

Position one EMT at the foot and one EMT at the head of the stretcher when rolling it. The EMT at the foot should pull while the EMT at the head should push. Always maintain a firm grip on the stretcher when rolling to prevent a tipover.

To minimize the risk of injuring yourself when lifting or moving a patient, you should: keep the weight as close to your body as possible.

When you must push an object, it is important to: push using muscles between your waist and shoulders.

when approaching a 32-year-old male who is complaining of traumatic neck pain, you should: ensure that the patient can see you approaching him. A 39-year-old male sustained a stab wound to the groin during an altercation at a bar.

Keep your feet flat on the floor and about 12” apart when you stand. Put one foot slightly in front of the other when you lift something. Use your arm and leg muscles to lift an object, rather than using the muscles in your back. Hold objects close to your body at waist level when you carry something heavy.

Holding a heavy object away from your body puts extra stress on the muscles of your back and this strain could lead to injury.

Proper Lifting Technique

1. Keep a wide base of support.
2. Squat down, bending at the hips and knees only.
3. Keep good posture.
4. Slowly lift by straightening your hips and knees (not your back).
5. Hold the load as close to your body as possible, at the level of your belly button.
6. Use your feet to change direction, taking small steps.

Safe lifting tips Healthy body

1. Think before you lift. Plan the lift.
2. Keep the load close to the waist.
3. Adopt a stable position.
4. Ensure a good hold on the load.
5. Do not bend your back when lifting.
6. Do not bend the back any further while lifting.
7. Do not twist when you lift.
8. Look ahead.

Keep the load close to the waist. The load should be kept close to the body for as long as possible while lifting. Keep the heaviest side of the load next to the body. Adopt a stable position and make sure your feet are apart, with one leg slightly forward to maintain balance.