1) Which way will the cart move? a) left b) right c) remain at rest 2) What is the net force? a) 20 N left b) 4 N left c) 20 N right d) 4 N right 3) What is the net force? a) 5 N right b) 3 N right c) 2 N right d) 8 N right 4) What is the net force? a) 700 N down b) 700 N up c) 0 N d) 1400 N down 5) What is the net force? a) 61 N right b) 61 N left c) 5 N right d) 5 N left e) 25 N left f) 25 N right  6) What is the acceleration? a) 700 m s-2 down b) 0 m s-2 down c) 1400 m s-2 down 7) What is the resultant force? a) 20 N right b) 60 N left c) 45 N, E 27oN d) 45 N, E 63oN 8) Find the resultant of the three vectors. a) 10 N, NE b) 7.07 N, NE c) 2.93 N, SW d) 17. 07 NE 9) Find the net force. a) 7, 000 N downhill b) 3,000 N downhill c) 12, 000 N downhill d) 8,000 N downhill e) 6,660 N downhill 10) If the man is pulling his suitcase with a force of 6 N at an angle of 60o to the horziontal, find the force parallel to the ground. a) 3 N right b) 3 N left c) 5.2 N right d) 5.2 N left

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?