Hawkins, Victor Dean, 1875- · New York [etc.] Longmans, Green, and co. · leaf 41
e tensionon c ? Compare with Fig. 22. 2. If in the Fig. 27 theweight of b be 50 pounds,how much does it add to thetension of c? 3. If in Fig. 24 the guywire makes an angle of 60°with the horizontal, howmany strands must be placedin the guy? When a locomotivestarts a heavy train fromrest, it does… … DYNAMICS 27 find that a heavy body does not start from rest easily. This helplessness of matter is Inertia. Inertia causes a body in motion to keep on in a straight line unless acted on by some force; it keeps a body at rest from starting unless some force starts it. Inertia is a prop- a erty of…
Physics
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