The overall effect of the forces acting on an object will NOT ...
0%
cause it to accelerate
0%
cause it to decelerate
100%
cause it to remain stationary
0%
cause its watch to change
Q.2.
What is a resultant force?
100%
A single force which has the same effect on motion as a number of forces acting at a point
0%
When no forces are acting on a variety of points
0%
A single force which has the same effect on motion as a number of forces acting at a number of different points
0%
49 forces acting on 79 points
Q.3.
What could the effect of a resultant force be?
100%
Cause a change in state of rest or motion
0%
Resultant forces do not have any effect on anything
0%
Resultant forces only affect waves
0%
Resultant forces do not exist
Q.4.
If an object is stationary and the resultant force acting upon it is zero, what will happen to the object?
0%
It will accelerate at 1 m/s2
0%
It will accelerate at 2 m/s2
0%
It will accelerate at 3 m/s2
100%
It will accelerate at 0 m/s2
Q.5.
If an object is stationary and the resultant force acting upon it is non-zero, what will happen to the object?
0%
It will remain stationary
0%
It will move towards the direction of the resultant force
100%
It will move in the direction of the resultant force
0%
It will explode
Q.6.
If an object is moving west at a speed of 3 m/s and the resultant force acting upon it is zero, what will happen to the object?
0%
Move east at 3 m/s
0%
Move north at 3 m/s
100%
Continues moving west at 3 m/s
0%
Come to rest
Q.7.
The driving force exerted by a motorbike is 2000 N. The resultant force acting in a forward direction is 200 N. What is the size of the opposing force (air resistance and friction)?
100%
1800 N
0%
200 N
0%
1900 N
0%
2000 N
Q.8.
If a ball is travelling at a speed of 3 m/s west and encounters a force which slows the ball at a rate of 0.25 m/s, how long does the ball take to stop?
0%
3 seconds
0%
6 seconds
0%
9 seconds
100%
12 seconds
Q.9.
A person pushes on a box with a force of 10 N which does not move. Assuming no other forces are present, what is the size of the force the box exerts on the person?
0%
5 N
100%
10 N
0%
15 N
0%
20 N
Q.10.
Two forces act on a small ball. One force exerts a force of 10 N east, whilst the other force exerts a force of 15 N west. What is the size and direction of the resultant force?
0%
5 N east
100%
5 N west
0%
10 N east
0%
10 N west
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