What causes the motion of a body which is initially in the state of rest? a) Force b) Displacement c) Speed d) Velocity
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What causes the motion of a body which is initially in the state of rest?
a) Force
b) Displacement
c) Speed
d) Velocity
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- Which of the following statements is not one of Newton’s Laws on motion? a. In the absence of an unbalanced force, an object moves at constant velocityb. For any force there is always an equal but opposite reaction force.c. The force and the acceleration of a body are towards the same direction.mechanicsA force is a push or pull exerted upon an object which results from the interaction of that object with its environment. a.)true,b.)false
- a) "A swimmer pushing off from the side of a pool. She pushes against the pool wall with her feet and accelerates in the direction opposite to her push" What is the concept of above situation and explain.A person is in a railway car without any windows. What test can the person perform to determine whether the car is at rest or is moving at constant velocity? a) Toss a ball horizontally b) Drop a ball vertically c) let two masses collide on the floor d) No experiment will tell the person if the car is at rest of moving at constant velocity e). a), b) and c) will all tell the person if the car is at rest or moving at constant velocity.