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1. A load is to be moved using a wheelbarrow. The total mass of the load and wheelbarrow is 60 kg. The magnitude of gravitational acceleration is 10 ms2 . What is the work done if the handle is raised by 50 cm? a) 35.0 J b) 17.5 J c) 175 J d) 350 J
Total load=60kg or 600NLoad arm=70cm=0.70mEffort arm=70+50=120cm=1.20mNow,Load x load arm=Effort x Effort arm600 x 0.70=E x 1.20E=350NNow work done =350 x 0.50=175JRegards,Nirmal SinghAskiitians Faculty
Total load=60kg or 600N
Load arm=70cm=0.70m
Effort arm=70+50=120cm=1.20m
Now,
Load x load arm=Effort x Effort arm
600 x 0.70=E x 1.20
E=350N
Now work done =350 x 0.50=175J
Regards,
Nirmal Singh
Askiitians Faculty
17.5J
175J
its 175.asdfnhkkkdjkjhszghjzcxnzcxbmdhdshksdZhcb,kjdSkDhbVkjkjbcvbcxkjbzcvkbj,sdfigkSyiefgbfesgdefgbdckbhzxckbgkbhCXkghCghbhxchxczhxhxhxhkjkhsddsmbcghsd
Total load= 6skkekwkekwkwkwkwekkekekeejejheebbebebebennenrjfjfjeieiiwoeitigigidjdjdjndnsnenfnfnejekwowowoeidifufufhfnfnfndndmdkkd
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