Physics, 05.07.2019 19:30, kaitttt

Afree falling object experiences a unbalanced force true or false

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Physics, 16.07.2019 07:30, groverparham3

What is the correct interpretation of this diagram 1. since the unbalanced force is at the top, the object will move down. 2. since three forces are balanced, the object will not change position. 3. since the unbalanced forces an upward force, the object will move upward. 4. since the unbalanced force is a downward force, the object will move down.

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Physics, 20.08.2019 01:10, charismameeks

Question 1 which of the following is an example of a force? a. electrons moving toward a positive charge b. a child kicking a soccer ball c. air pushing against a falling object d. all of the above question 2 tension force is an example of a contact force. a. true b. false question 3 a frictional force is the force exerted by a surface as an object moves across it; therefore, it is considered a contact force. a. true b. false question 4 which of the following best describes normal force? a. the force of attraction between two objects b. the force applied to an object by a push or a pull c. the force transmitted through a string, rope, or wire d. the support force exerted on an object which is in contact with another stable object question 5 if a leaf falls from a tree and we assume that it is in free fall and not affected by air resistance, how many force vectors does the leaf have? a. 0 b. 1 c. 2 d. 3 question 6 if you kick a ball and the ball does not move, then the forces involved must a. unbalanced b. balanced c. directional d. weighted question 7 as the distance between two objects gets larger, the gravitational force between them gets larger too. a. true b. false question 8 when an astronaut is in space, his or her body is acted upon by an increased gravitational force from the earth. a. true b. false question 9 the mass of an object cannot change, but the weight of an object can change. a. true b. false question 10 use the following image to answer the question. in the above diagram, the force vectors are equal in magnitude and opposite in direction. a. true b. false (the picture is for number 10)

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Physics, 22.09.2019 05:50, live4dramaoy0yf9

A6 n force pushing to the right on a box causes it to accelerate 3 m/s² to the right. what is the mass of the box? a. 0.5 kg b. 2 kg c. 3 kg d. 18 kg a 4 kg object is being pulled to the east by a 6 n force. what is the object's acceleration? a. 0.67 m/s², east b. 0.67 m/s², west c. 1.5 m/s², east d. 1.5 m/s², west which of these quantities has a direction associated with it? a. mass only b. force only c. acceleration only d. force and acceleration acceleration is often measured in what unit? a. newtons b. kilograms c. meters per second d. meters per second squared a 5 kg block is being pulled to the right by a rope tied to it. the block is accelerating at 2 m/s² to the right. how much force is being applied? a. 3 n b. 3.5 n c. 7 n d. 10 n what type of forces accelerate masses? a. balanced only b. unbalanced only c. balanced and unbalanced if an object is acted on by a constant unbalanced force, the object will move with a constanwhich of these is a correct equation for force? a. f = m × a b. f = m ÷ a c. f = a ÷ m a. speed b. velocity c. acceleration a 5 kg object is accelerating at 3 m/s² while being pulled. what is the magnitude of the force causing this acceleration? a. 0.6 n b. 1.7n c. 2 n d. 15 n what is the mass of a rock if a 12 n unbalanced force acting on it causes the rock to accelerate at 4 m/s²? a. 0.33 kg b. 3 kg c. 8 kg d. 48 kg

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