Question

Man in Elevator (c4p28) An 60- kg man stands in an elevator. What force does he exert on the floor of the elevator under the following conditions? The elevator is stationary. Subonit Anamer Tries 0/10 The elevator accelerates upward at 1.7 m/s2. Submit AnsmTries 0/10 The elevator rises with constant velocity of 4.1 m/s. While going up, the elevator accelerates downward at 1.7 m/s2. Suboni ApsaTries 0/10 The elevator goes down with constant velocity of 6.3 m/s. Submit AnseerTries 0/10

Answer 1

Fonces on ha man . Force ex bų man o h elevata is N eldevalo is stohonas Net fce -o N- mg Foxce exented by mon on he eleva- ( b elevalor accelerahin Net fore ma mgta) N60(48 +(t1) 690 Fonce esented by lhe man on Ihe elevaloy i3 合

V-4 , m/S C) nises coil, constant velociG eleva loy valo ses wil5 constant velocily /s The force eznfed by lhe man on lhe elevator is lbe man on I 一588 N (neuton) arcelerai Nlet forte ma Nma tm The force eneled by 込 on he elevali he mon - 48b N

Othe -eleva lor is going down wil5 constant vetoa 63 s e eleva los ing down 5Constant velol accele retion o The fove ended by lhe man on he elevalvY ,S-688(reuth)\