CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 40 N moves an object 5 m in its direction. Work done is:
A. 201 J
B. 200 J
C. 202 J
D. 199 J
Correct Answer: B
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 40 N moves an object 4 m in its direction. Work done is:
A. 162 J
B. 161 J
C. 160 J
D. 159 J
Correct Answer: C
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 40 N moves an object 3 m in its direction. Work done is:
A. 119 J
B. 120 J
C. 121 J
D. 122 J
Correct Answer: B
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 40 N moves an object 2 m in its direction. Work done is:
A. 79 J
B. 82 J
C. 81 J
D. 80 J
Correct Answer: D
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 30 N moves an object 10 m in its direction. Work done is:
A. 302 J
B. 299 J
C. 301 J
D. 300 J
Correct Answer: D
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 30 N moves an object 5 m in its direction. Work done is:
A. 151 J
B. 152 J
C. 149 J
D. 150 J
Correct Answer: D
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 30 N moves an object 4 m in its direction. Work done is:
A. 121 J
B. 119 J
C. 122 J
D. 120 J
Correct Answer: D
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 30 N moves an object 3 m in its direction. Work done is:
A. 91 J
B. 92 J
C. 89 J
D. 90 J
Correct Answer: D
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 30 N moves an object 2 m in its direction. Work done is:
A. 62 J
B. 59 J
C. 61 J
D. 60 J
Correct Answer: D
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 20 N moves an object 10 m in its direction. Work done is:
A. 199 J
B. 200 J
C. 201 J
D. 202 J
Correct Answer: B
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 20 N moves an object 5 m in its direction. Work done is:
A. 102 J
B. 99 J
C. 100 J
D. 101 J
Correct Answer: C
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 20 N moves an object 4 m in its direction. Work done is:
A. 82 J
B. 79 J
C. 81 J
D. 80 J
Correct Answer: D
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 20 N moves an object 3 m in its direction. Work done is:
A. 59 J
B. 60 J
C. 62 J
D. 61 J
Correct Answer: B
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 20 N moves an object 2 m in its direction. Work done is:
A. 39 J
B. 42 J
C. 40 J
D. 41 J
Correct Answer: C
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 10 N moves an object 10 m in its direction. Work done is:
A. 99 J
B. 101 J
C. 100 J
D. 102 J
Correct Answer: C
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 10 N moves an object 5 m in its direction. Work done is:
A. 49 J
B. 50 J
C. 52 J
D. 51 J
Correct Answer: B
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 10 N moves an object 4 m in its direction. Work done is:
A. 39 J
B. 42 J
C. 41 J
D. 40 J
Correct Answer: D
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 10 N moves an object 3 m in its direction. Work done is:
A. 30 J
B. 29 J
C. 31 J
D. 32 J
Correct Answer: A
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
A force of 10 N moves an object 2 m in its direction. Work done is:
A. 22 J
B. 19 J
C. 20 J
D. 21 J
Correct Answer: C
W = Fd.
CSS - PMS - CCE - PCS - Everyday Science
Mechanics
Using g = 9.8 m/s², potential energy gained by a 20 kg object raised 15 m is:
A. 2942 J
B. 2939 J
C. 2940 J
D. 2941 J
Correct Answer: C
PE = mgh.