Ill - THifíT Kfí PHUONG A N DAY HOC
Hoat dgng cua hgc sinh Hoat dgng 1. Hoat dgng 1.
On djnh idp Hoat dgng 2. Hoat dgng 2.
Lam bai kiem tra
Hoat dgng 3 .
Tong két gid hgc.
• •
Trd giup cua giao vien
GV kilm tra sT so HS va neu yeu ciu vl ki luat đ'i vdi gid kiem trạ vl ki luat đ'i vdi gid kiem trạ
GV phat bai kilm tra tdi tirng HS. t^uaa I( HS lam bai, dam bao tinh t^uaa I( HS lam bai, dam bao tinh
ediig bang, trung thuc trong khi lam baị baị
GV thu bai va nhan xet vl ki luat gid hpc. hpc.
NOI DUNG KIEM TRA
I - BAI TAP TRAC NGHIEM
1. Khoanh tron trudc dap an ma em lua chgn (Chu y : mdi cdu chi duac lua chgn mgt đp dn).
Cau 1. Kei luan nao sau day diing khi ndi vl chuyin đng cua mdt dilm tren vat rin quay quanh mdt true cd dinh ?
Khi vat rin quay
Ạ eac dilm khac nhau tren vat rin quay vdi tdc dp gdc khac nhau trong cimg mdt khoang thdi gian.
B. mdi dilm tren v&t rin vach mdt dudng trdn nim trong mat phing vudng gdc vdi true quaỵ
C. cac dilm khac nhau tren vat rin quay dupc cac gdc khac nhau trong eiing mdt khoang thdi gian
D. mpi diem tren vat rin cd ciing mdt tdc dp dai
Cau 2. Mdt dTa CD quay diu vdi tdc dp quay 450 vdng/ phiit trong mdt 6 dpc cua may vi tinh. Tdc dp gdc cua dTa CD đ tinh theo rad/s la
Ạ 410radls. B. 41 radls. C. 4,lradls. D. 0,41radls.
Cau 3. Mdt vat bit dau quay diu quanh mdt true cd dinh, sau 2s dat dupc tdc dp gdc lOrad/s. Gia tdc trung binh cua vat trong thdi gian đ la
Ạ 5radls^ B. lOrad/s'^
C.\5radls^ D.25radls^ Cau 4. Mdt diem tren vat rin each true quay mdt doan R. Khi vat rin quay
diu quanh true vdi van tdc gdc co thi tdc dp dai cua dilm đ la
Ạ v = —• B. v = —•
R : CO