Is it true that when you drop from a branch to the ground below, you pull upward on Earth? If so, then why is the acceleration of Earth not noticed?

Q: Is it possible for a body to have inertia but no weight?

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Q: The 75-kg man pushes on the 150-kg crate with a horizontal force F. If the coefficients of static…

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Q: Is it true that when you drop from a branch to the ground below, you pull upward on Earth? If so,…

A: From Newton's law of gravitation: The gravitational force acting between two massive objects is…

Q: When is your weight equal to mg?

A: The weight of an object is the measure of the force that a person or object experiences on a planet.…

Q: Suppose you jump from the cliffs of Acapulco and perform a perfectswan dive. As you fall, you exert…

A: When some unbalanced forces are applied to a body then it produces an acceleration in the body. This…

Q: How does a helicopter get its lifting force?

A: The helicopter gets the lifting force by pushing the air downwards and it gets the thrust from the…

Q: When a force equal to its weight is applied to a body free to move, what is its acceleration

A: If force is in upward direction then acceleration is zero . If force is in downward direction then…

Q: What happens to the weight reading on a scale you stand on when you toss a heavy object upward?

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Q: Walking on horizontal slippery ice can be much more tiring than walking on ordinary pavement. Why?

A: Introduction: A frictional force always acts opposite to the direction of motion if the surface has…

Q: What is a measure of the pull of gravity on an object called?

A: Earth exerts an attractive force on all object and pulling it towards the surface of Earth. The…

Q: How come in free fall you feel weightless even though gravity is pulling down on you (disregarding…

A: Explanation- Since, gravity acts on any object towards the center of the earth. it means on the…

Q: An astronaut of mass 70 kg weighs 700 N on Earth's surface. His weight on the surface of Mars, where…

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Q: Your perception of weight, ie. apparent weight is: a measure of the net force acting upon you ) the…

A: Apparent weight tells about how heavy the body actually is.

Q: Suppose that you jounce up and down while weighing yourself on a bathroom scale. Which varies: the…

A: If a person is jouncing up and down while weighing yourself on a bathroom scale the normal force…

Q: an astronaut on the moon lifts a rock over his head and than drops it. Discuss what force acts on…

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Q: is free fall acceleration  independent of mass ?

A: Freefall is a condition where an object falls under the force gravity with a gravitational…

Q: Mass of body is constant, but its weight is different at different places.Why?

A: Weight is given by,

Q: when air resistance and weight are equal the objects stop accelerating and reaches its terminal…

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Q: Why can we neglect forces such as those holding a body together when we apply Newton’s second law of…

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Q: What is the effect of air resistance on the acceleration of falling objects? What is the…

A: A freely falling object is any object moving either upward or downward under the influence of…

Q: When you are standing on the Earth, your feet exert a force (push) against the surface. Why does the…

A: The force acts here can be described by Newton's third law such that each force has equal and…

Q: An object that is free-falling is acted upon by the force of gravity alone Select one: O True O…

A: Answer Free fall is a type of motion in which the only force acting upon the object is gravity. The…

Q: Which feels a greater pull due to the earth’s gravity: a 10 kg stone or a 20 kg stone? If you drop…

A: Force of gravity

Q: A man stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the…

A: Given that, The scale reads only 0.75 of her regular weight. W=0.75 mg

Q: When you stand on Earth, your feet push against it with a force equal to your weight. Why doesn’t…

A: By the Newton second law, the acceleration of anybody can be calculated as,  Here, F is net force…

Q: during take off in space, an 80kg is subjected to an acceleration equal to 5 times the pull of…

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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: If you push on a heavy box that is at rest, you must exert some force to start its motion. Once the…

A: From Newton’s first law of motion, it can be inferred that an object at rest or in motion remains at…

Q: ”If you are in an elevator that is accelerating downwards, the normal force Fn that the bottom of…

A: The free body diagram for the elevator moving downwards is given below.

Q: What would happen if the downward acceleration was greater than g in an elevator?

A: Introduction: When gravity is the only force acting on a body, then the motion of a body is said to…

Q: the force exerted by gravity on 70 kg = N. О 10 68 686

A: A force exerted by gravity is calculated by the formula:   F = mg   Here m is the mass of object and…

Q: An elephant and a coin are both falling. If gravity is the only force affecting them, which object…

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Q: Is the force applied to drag the carriage affected by a change in inclination? Why?

A: Is the force applied to drag the carriage affected by a change in inclination?

Q: The force exerted by gravity on a whole brick is greater than theforce exerted by gravity on half a…

A: Full and half brick

Q: False or True. For the same amount of force will produce a larger acceleration when applied to a…

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Q: If two objects are separated by some distance and that distance is reduced by one-half, the force of…

A: The force of attraction between two objects in this universe is defined as the gravitational force…

Q: Why Does A Horse Pull Its Cart Harder During The First Few Steps Of Its Motion?

A: A horse has to pull the cart harder during the first few steps of his motion because the horse has…

Q: When you have increased the mass, what did you observe in the acceleration?

A: When mass of object is increased ,then acceleration decrease if force applied be constant .

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!