When you push against a wall with your fingers, they bend because they experience a force. Identify this force?

Q: why a piece of paper nca be pulled out from under a cup of coffee of the paper is jerked suddenly…

A: Both piece of paper and cup of coffee are initially at rest. When sudden jerk is given to a piece of…

Q: How much upward force would you have to apply to just support the weight of an average apple of mass…

A:

Q: Why do you need to brace yourself before pushing on something heavy or throwing something?

A: Bracing: Bracing is defined by a type of voluntary core activation that enabling tighten up on…

Q: 9/12 Alice and Bob lift a uniform table of weight 200 N, on which Cart is sitting. The table is 4 m…

A: The net weight of the table and Carl is, W=Wt+Wc=200+800=1000 N The clockwise torque acting on the…

Q: Why do you lurch forward in a bus that suddenly slows? Why do you lurch backward when it picks up…

A: We lurch forward in a bus that suddenly slows, as at the instant the bus slows, body still keeps…

Q: Consider a crate at rest on a factory floor. As a pair of workmen begin lifting it, does the support…

A: Since, as the crate is getting pulled, the force due to gravity which is constant "mg" is balanced…

Q: Three boards were suspended in three ways which of the following options is correct for tensions…

A:

Q: What happens if there is no Friction?

A: Friction is between solid surface, layers of fluid, and also between any two materials. If there is…

Q: The figure below shows a bird feeder that weighs 165.3 N. The feeder is supported by a vertical…

A: Consider the FBD’s below.

Q: When flying a paper airplane, what is causing the thrust?

A: Thrust is another name given to a force responsible for the motion of airplanes and rockets. In…

Q: The reason you are able to push a heavy sofa across a floor is that _____________.

A: When we push a sofa, the force that opposes its impeding motion is static friction.  Maximum value…

Q: Why is it harder to push a steady object in comparison to push a constantly moving object?

A: For a steady object, static friction is zero. If we push it, due to Newton's Second Law there is an…

Q: When you stand at rest on batrhroom scale ,how does your weight compare with the support force by…

A: To understand this visualized all the forces acting on the scale. The forces acting on the scale…

Q: Where are shoulder harnesses used?

A: The shoulder harness must also be positioned in such a way as to permit limited freedom to…

Q: A 5.0-kg and a 10.0-kg box are touching each other. A 45.0-N horizontal force is applied to the…

A: Given, Mass of boxes is Force acting on is

Q: How does a force affect the acceleration of an object?

A: According to newton’s second law, the acceleration of an object produced by an object is related to…

Q: Why is it that when you are climbing up a wall, you pull down on a hold to move upward?

A: yes, From newton 3rd law of motion which state that for every action there is equal and opposite…

Q: why do you seem to lurch forward in a bus that suddenly slows? why do you seem to lurch backward…

A: We lurch forward in bus that suddenly slows , this is because of inertia of motion . Inertia of body…

Q: Why Is It Difficult To Move A Bike With Its Brakes On?

A: When we try to move a bike with its brakes on, the wheels of the bike will skid to a different…

Q: Why does a bungee jumper feel weightless during the jump?

A: A bungee jumper feels weightlessness when he jumps the platform. When the jumper is standing on the…

Q: What is the tension in the chain of a 27 ton ship anchor in the picture? Neglect air resistance and…

A:

Q: consider a mass, m, hanging by a series of cables as shown. how to determine the tension on cable 1…

A:

Q: An elevator accelerates upward at 6.6 m/s ^ 2 A passenger with amass of 64 kg stands on the scale…

A: Given data: Acceleration of elevator (a) = 6.6 m/s2, upward Mass of passenger (m) = 64 kg…

Q: Two muscles in the back of the leg pull upward on theAchilles tendon. (These musclesare called the…

A:

Q: What is the difference between contact force and noncontact force?

A: The difference between the contact force and the non contact force is  1. Contact force appear due…

Q: Why can you exert greater force on the pedals of a bicycle if you pull up on handlebars?

A: When we apply a pull force on the handlebars then it works as action force. And according to…

Q: What would happen if there was no friction?

A: Friction is a force which opposes the motion. It is a restriction force. This force arises only when…

Q: What is difference between viscosity and friction?

A: The viscosity of a fluid is a measure of its deformation by shear stress or tensile stress. Friction…

Q: What happens when a force is subjected to an object?

A: According to Newton's second law of motion when momentum of a body is changed with respect to time…

Q: Place a heavybook on a table and the table pushes up on the book. Why doesn't this upward push cause…

A: Every massive object experience gravitational force on it due to gravity of earth. When two bodies…

Q: Which of the following is the net force acting on this body? *

A: The upward and downward forces are the normal and gravitational force, which are equal in magnitude…

Q: A snowboarder flies off a ramp and is in midair. Is the snowboarder weightless currently? Why or why…

A: The phenomenon of weightlessness occurs when there is no force affecting the body. When a…

Q: Your empty hand is not hurt when it bangs lightly against a wall. Why does it hurt if you are…

A: From newton's 2nd law we have,

Q: Carts with rubber tyres are better than those with iron tyres. Why?

A: Carts with rubber tyres are better than those with iron tyres.

Q: Two wheelbarrows have the same mass. One is being pushed by much stronger person. Which wheelbarrow…

A: In this question we have a wheel barrow situation and we have to answer how the wheelbarrow will…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!