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Forces & Newton's laws
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182 questions at your level
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Force diagrams, resultant force & equilibrium
12 questions
Lesson
Not started
Mark as done
A person of mass
60
60
60
kg stands on the floor of a lift. The lift is moving downwards and slowing down, with a deceleration of
2
2
2
m s⁻². Take
g
=
9.8
g = 9.8
g
=
9.8
m s⁻².
The magnitude of the normal reaction force exerted by the floor on the person is
Circle your answer.
A
120
120
120
N
B
468
468
468
N
C
588
588
588
N
D
708
708
708
N
●
●●●●
Level 1
1 mark
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Newton's laws and F = ma
43 questions
Lesson
Not started
Mark as done
A person of mass
60
60
60
kg stands on the floor of a lift. The lift is moving downwards and slowing down, with a deceleration of
2
2
2
m s⁻². Take
g
=
9.8
g = 9.8
g
=
9.8
m s⁻².
The magnitude of the normal reaction force exerted by the floor on the person is
Circle your answer.
A
120
120
120
N
B
468
468
468
N
C
588
588
588
N
D
708
708
708
N
●
●●●●
Level 1
1 mark
Start
→
Mark as done
A car of mass
1200
1200
1200
kg accelerates at
2.5
2.5
2.5
m s⁻². Identify the magnitude of the resultant force on the car.
Circle your answer.
A
480
480
480
N
B
1200
1200
1200
N
C
3000
3000
3000
N
D
4800
4800
4800
N
●
●●●●
Level 1
1 mark
Start
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